2-Nitro-1-phenylpropan-1-ol

Page 1

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Reactions (12)

Yield

Substances (3)

Citations (46)

Conditions

References

1

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Rx-ID: 597401 Find similar reactions

97%

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With [C4dabco]OH in neat (no solvent) T=20°C; Henry Nitro Aldol Condensation; 0.25 h; Green chemistry; Hide Experimental Procedure

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Keithellakpam, Sanjoy; Laitonjam, Warjeet S.

Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2016 , vol. 55B, # 1 p. 110 - 113 Title/Abstract Full Text View citing articles Show Details

General procedure for Henry reaction

General procedure: A general procedure for the Henry reaction is as follows: A 50 mL round bottomed flask was charged with the carbonyl compound (3 mmol), the nitroalkane (9 mmol) and ionic liquid catalyst [C4dabco]OH (0.168 g, 10 molpercent). The reaction mixture was stirred at RT. The formation of the product was monitored by TLC. After completion of the reaction, water (3 mL) and diethyl ether (5 mL) were added and the reaction mixture was separated into two layers. As IL was soluble in water, pure IL was obtained after evaporation of water under reduced pressure, which could be reused for subsequent reactions. Pure 2-nitroalcohol was obtained from the diethyl ether layer after distillation or column chromatography. All the products were previously reported and were characterized by melting point determination, IR, NMR spectroscopy and elemental analyses. Selected data for representative compounds are given below. 97%

With [C4dabco]OH in neat (no solvent) T=20°C; Henry Nitro Aldol Condensation; 0.25 h; Ionic liquidGreen chemistry;

Keithellakpam, Sanjoy; Laitonjam, Warjeet S.

Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2016 , vol. 55B, # 1 p. 110 - 113 Title/Abstract Full Text Show Details

95%

With tetrabutyl ammonium fluoride; tert-butyldimethylsilyl chloride; triethylamine in tetrahydrofuran

0.0833333 h;

Fernandez; Gasch; Gomez-Sanchez; Vilchez

Tetrahedron Letters, 1991 , vol. 32, # 27 p. 3225 - 3228 Title/Abstract Full Text View citing articles Show Details


93%

With potassium tert-butylate in tetrahydrofuran; water; tert-butyl alcohol

T=0 - 20°C; 16 h; Hide Experimental Procedure

Takeda Pharmaceutical Company Limited

Patent: EP2005957 A1, 2008 ; Location in patent: Page/Page column 46 ; Title/Abstract Full Text Show Details

6:2-nitro-1-phenylpropan-1-ol

Reference Example 6 2-nitro-1-phenylpropan-1-ol To a solution of benzaldehyde (20.0 g) and nitroethane (28.4 g) in tetrahydrofuran (50 mL) and tert-butanol (50 mL) was added potassium tert-butoxide (1.27 g) under ice-cooling, and the mixture was stirred at room temperature for 16 hr. Water was added to the reaction mixture, and the mixture was extracted with diethyl ether. The extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent:hexane-ethyl acetate=10:1) to give the title compound as a blue oil (yield 32.0 g, 93percent). 1H-NMR (CDCl ) δ: 1.23-1.34 (3H, m), 2.56-2.70 (1H, m), 4.68-4.80 (1H, m), 5.01-5.42 (1H, m), 7.32-7.41 (5H, m). 3 91%

With C62H60N4O4P(1+)*Cl(1-); sodium t-butanolate in tetrahydrofuran T=-78°C; Henry Nitro Aldol Condensation; 0.5 h; Inert atmosphere; enantioselective reaction; Hide Experimental Procedure

Kunming University of Science and Technology; LIAO, XIALI; GAO, KAI; REN, YUFENG; YANG, BO; YANG, JIAN

Patent: CN104844654 B, 2016 ; Location in patent: Paragraph 0044-00047 ; Title/Abstract Full Text Show Details

The chiral quaternary salt catalyst provided by the present invention can be used for asymmetric Henry reaction,The reaction examples of the application examples are as followsunder:

The quaternary salt catalyst lb (13.75 μο1,0. 055 equiv) was added to a 10 mL reaction flask and dissolved in 2.5 mLTetrahydro-Sasmonium, argon protection,At room temperatureAdd nitro-ethyl burn(2.5 mmol, 10.0 equiv), 12.5 μη ο1Potassium tert-butoxide (1 M, tetrahydrofuran solution) was added to the reaction solution at -78 ° C and stirred for 30 minutes.Then benzaldehyde (0.25 mmo 1,1.0 equiν) was slowly added dropwise to the reaction.After completion of the reaction, trifluoroacetic acid was addedOf toluene solution (100 ymL, 0.5M), and then the reaction solution into ice water, the organic phase separation, the water phase to acetic acid BEster extraction, combined organic phase anhydrous magnesium sulfate dry,Column chromatography in a yield of 91percent.By high performance liquid chromatography, the corresponding selectivity was obtained98percent 90%

With potassium tert-butylate in tetrahydrofuran; tert-butyl alcohol

T=20°C; Henry reaction; 18.5 h;

Gorczynski, Michael J.; Huang, Jinming; Lee, Heather; King, S. Bruce

Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 7 p. 2013 - 2017 Title/Abstract Full Text View citing articles Show Details

89%

With potassium tert-butylate; tert-butyl alcohol in tetrahydrofuran; tert-butyl alcohol

T=0°C; 16 h;

Denmark, Scott E.; Kesler, Brenda S.; Moon, Young-Choon

Journal of Organic Chemistry, 1992 , vol. 57, # 18 p. 4912 - 4924 Title/Abstract Full Text View citing articles Show Details

89%

With 2-(2-boronophenyl)-N-n-butyl-benzimidazole in water

T=20°C; Henry Reaction; 72 h; Product distribution / selectivity; Hide Experimental Procedure

UNIVERSITY OF DURHAM

Patent: WO2004/113351 A2, 2004 ; Location in patent: Page 41-42 ; Title/Abstract Full Text Show Details

4.B1:B1 First general procedure for nitro aldol with nitroethane The aldehyde (1 mmol) was placed in a vial and nitroethane (0.6 ml) was added. The catalyst (14.7 mg; 0.05 mmol) was then added followed by water (0.9 ml). The resulting biphasic reaction mixture was then stirred for 3 days at room temperature. Water (0.5 ml) and DCM (1.0 ml) were then added and the liquor stirred for 10 minutes. The phases were then separated and the aqueous layer was further extracted with DCM (1 x LML). The combined organic extracts were then passed through a small plug of silica gel and magnesium sulfate, and evaporated under reduced pressure. The resulting residue analysed by proton NMR spectroscopy. 89%

With 2-(2-boronophenyl)-N-n-butyl-benzimidazole in tetrahydrofuran-d8; [D3]acetonitrile; water

T=20°C; Henry Reaction; 120 h; Product distribution / selectivity; Hide Experimental Procedure

UNIVERSITY OF DURHAM

Patent: WO2004/113351 A2, 2004 ; Location in patent: Page 41-42 ; Title/Abstract Full Text Show Details

4.B2:B2 Second general procedure for nitro aldol with nitroethane The catalyst (7.3 mg, 2.5 JUMOL) was placed in a vial and an aliquot of benzaldehyde solution was added (0.5 ml of a solution containing 0. 530 g in 5 ml of CD3CN ; 0.5 mmol). Deuterated THF (0.5 ml) was then added followed by nitroethane (179 ss 2.5 mmol). The appropriate amount of CD3CN and water were then added to take the total solvent volume to 2.5 ml. Each of the reaction solutions was then stirred at room temperature for 5 days. Water (1.0 ml) and DCM (1.0 ml) were then added and the liquor stirred for 10 minutes. The phases were then separated and the aqueous layer was further extracted with DCM (2 X lml). The combined organic extracts were then passed through a small plug of silica gel and magnesium sulfate, and evaporated under reduced pressure. The resulting residue analysed by proton NMR spectroscopy. 88%

With N-benzyl-trimethylammonium hydroxide in tetrahydrofuran; water

T=20°C; 0.1 h;

Bulbule; Jnaneshwara; Deshmukh; Borate; Deshpande

Synthetic Communications, 2001 , vol. 31, # 23 p. 3623 - 3626 Title/Abstract Full Text View citing articles Show Details

88%

With 1H-imidazole in water

T=20°C; Henry reaction; 0.5 h;

Phukan, Mridula; Jyoti Borah, Kalyan; Borah, Ruli

Synthetic Communications, 2008 , vol. 38, # 18 p. 3068 - 3073 Title/Abstract Full Text View citing articles Show Details

87%

With hydrotalcite in tetrahydrofuran

Condensation; Henry reaction; addition; 6 h; Heating;

Bulbule, Vivek J.; Deshpande, Vishnu H.; Velu, Subramani; Sudalai, Arumugam; Sivasankar; Sathe

Tetrahedron, 1999 , vol. 55, # 30 p. 9325 - 9332 Title/Abstract Full Text View citing articles Show Details


84%

With 4 A molecular sieve in dimethyl sulfoxide

T=20°C; Henry reaction; 24 h;

Oriyama, Takeshi; Aoyagi, Masaru; Iwanami, Katsuyuki

Chemistry Letters, 2007 , vol. 36, # 5 p. 612 - 613 Title/Abstract Full Text View citing articles Show Details

81%

With potassium carbonate; 1-butyl-3-methylimidazolium Tetrafluoroborate

T=20°C; Henry reaction; 5 h;

Khan, Faiz Ahmed; Sudheer; Sahu, Nilam

Synthetic Communications, 2005 , vol. 35, # 2 p. 201 - 207 Title/Abstract Full Text View citing articles Show Details

75%

With silica gel in neat (no solvent) 0.0833333 h; Irradiation;

Kumar, H. M. Sampath; Reddy, B. V. Subba; Yadav, J. S.

Chemistry Letters, 1998 , # 7 p. 637 - 638 Title/Abstract Full Text Show Details

71%

With 2C10H7NO5(2-)*3CH3NO*H(1+)*Sm(3+) in water T=70°C; Henry Nitro Aldol Condensation; 36 h; Catalytic behavior; Reagent/catalystTemperatureSolventTime;

Karmakar, Anirban; Hazra, Susanta; Guedes Da Silva, M. Fátima C.; Paul, Anup; Pombeiro, Armando J. L.

CrystEngComm, 2016 , vol. 18, # 8 p. 1337 - 1349 Title/Abstract Full Text View citing articles Show Details

68%

With Mg-1,3-dimethylimidazolinium carbene complex immobilized on the nano-MgO surface in toluene

T=60°C; 12 h; Hide Experimental Procedure

Shaikh, Melad; Sahu, Mahendra; Gavel, Pramod Kumar; Turpu, Goverdhan Reddy; Khilari, Santimoy; Pradhan, Debabrata; Ranganath, Kalluri V.S.

Catalysis Communications, 2016 , vol. 84, p. 89 - 92 Title/Abstract Full Text View citing articles Show Details

2.4. Catalytic reaction

General procedure: 20.0 mg of Mg-NHC was taken into the round bottom flask containing toluene (2.0 mL) and subsequently aldehyde (0.5 mmol) was added.To the resultant mixture nitromethane (2.5 mmol) was added and stirring continued at 60 °C for 12 h. After completion of the reaction, the reaction mixture was filtered to separate the catalyst and purified the product using column chromatography (using Hexane: EtOAc, 9:1). 52%

With diethylzinc; ethanolamine in hexane; toluene

T=0°C; Henry reaction; 48 h;

Klein, Guenter; Pandiaraju, Subramaniam; Reiser, Oliver

Tetrahedron Letters, 2002 , vol. 43, # 42 p. 7503 - 7506 Title/Abstract Full Text View citing articles Show Details

50%

With 1,4,7,10-tetraazacyclododecan in tetrahydrofuran

T=20°C; Henry reaction; 24 h;

Vovard-Le Bray, Chloe; Jiang, Fan; Wu, Xiao-Feng; Sortais, Jean-Baptiste; Darcel, Christophe

Tetrahedron Letters, 2010 , vol. 51, # 34 p. 4555 - 4557 Title/Abstract Full Text View citing articles Show Details

43%

With 2C16H14N2O6(2-)*2Zn(2+)*6H2O in methanol T=20°C; Henry Nitro Aldol Condensation; 24 h;

Martins, Nuno M.R.; Mahmudov, Kamran T.; da Silva, M. Fátima C. Guedes; Martins, Luísa M.D.R.S.; Guseinov, Firudin I.; Pombeiro, Armando J.L.

Catalysis Communications, 2016 , vol. 87, p. 49 - 52 Title/Abstract Full Text View citing articles Show Details

25%

With 2C7H7O3S(1-)*C39H48N6O2(2+); copper(II) acetate monohydrate in methanol T=0°C; Henry reaction; 48 h; enantioselective reaction;

Li, Zhi-Huai; Zhou, Zhi-Ming; Hao, Xiao-Yan; Zhang, Jun; Dong, Xiao; Liu, Ying-Qiang; Sun, Wen-Wen; Cao, Dan

Applied Catalysis A: General, 2012 , vol. 425-426, p. 28 - 34 Title/Abstract Full Text View citing articles Show Details

14%

With [TMG][Lac]

T=20°C; Henry reaction; 20 h;

Jiang, Tao; Gao, Haixiang; Han, Buxing; Zhao, Guoying; Chang, Yanhong; Wu, Weize; Gao, Liang; Yang, Guanying

Tetrahedron Letters, 2004 , vol. 45, # 12 p. 2699 - 2701 Title/Abstract Full Text View citing articles Show Details

10%

With C12H11N7S; manganese(II) acetate in ethanol

T=20°C; Henry reaction;

Zhou, Guang Peng; Hui, Yong Hai; Wan, Ning Ning; Liu, Qiu Ju; Xie, Zheng Feng; De Wang, Ji

Chinese Chemical Letters, 2012 , vol. 23, # 6 p. 690 - 694 Title/Abstract Full Text View citing articles Show Details

With sodium hydroxide

Shinozaki

Yakugaku Zasshi, 1931 , vol. 51, p. 720 Chem.Abstr., 1932 , p. 1269 Full Text View citing articles Show Details

Hoover; Hass

Journal of Organic Chemistry, 1947 , vol. 12, p. 501,504 Full Text View citing articles Show Details

With sodium hydroxide

T=75°C; Einleiten von Kohlendioxyd;

Bourland; Hass

Journal of Organic Chemistry, 1947 , vol. 12, p. 705 Full Text View citing articles Show Details

With magnesium aluminium-ethylate

Villani; Nord


Journal of the American Chemical Society, 1947 , vol. 69, p. 2608 Full Text View citing articles Show Details

With potassium dicarbonate

Kanao

Yakugaku Zasshi, 1927 , # 540 p. 18 Chem. Zentralbl., 1927 , vol. 98, # I p. 2539 Full Text View citing articles Show Details

Nagai; Kanao

Justus Liebigs Annalen der Chemie, 1929 , vol. 470, p. 174 Chem. Zentralbl., 1928 , vol. 99, # II p. 2553 Full Text Show Details

With triethylamine

17 h;

FUJI, Masayuki

Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 11 p. 4029 - 4036 Title/Abstract Full Text Show Details

With 1,8-diazabicyclo[5.4.0]undec-7-ene in tetrahydrofuran

Ambient temperature;

Ono; Katayama; Nisyiyama; Ogawa

Journal of Heterocyclic Chemistry, 1994 , vol. 31, # 4 p. 707 - 710 Title/Abstract Full Text View citing articles Show Details

With Amberlite IRA-420 (OH-form)

Caldarelli, Marina; Habermann, Joerg; Ley, Steven V.

Journal of the Chemical Society - Perkin Transactions 1, 1999 , # 2 p. 107 - 110 Title/Abstract Full Text View citing articles Show Details

With sodium hydroxide in methanol

T=20°C; Henry reaction; 12 h;

Dumez, Estelle; Faure, Robert; Dulcere, Jean-Pierre

European Journal of Organic Chemistry, 2001 , # 13 p. 2577 - 2588 Title/Abstract Full Text View citing articles Show Details

With hydrotalcite in tetrahydrofuran

T=60°C; Henry reaction; 6.5 h;

Cwik, Agnieszka; Fuchs, Aliz; Hell, Zoltan; Clacens, Jean-Marc

Tetrahedron, 2005 , vol. 61, # 16 p. 4015 - 4021 Title/Abstract Full Text View citing articles Show Details

Crich, David; Ranganathan, Krishnakumar; Huang, Xianhai

Organic Letters, 2001 , vol. 3, # 12 p. 1917 - 1919 Title/Abstract Full Text View citing articles Show Details

With triethylamine

T=20°C; 16 h; Inert atmosphere;

Agut, Juan; Vidal, Andreu; Rodriguez, Santiago; Gonzalez, Florenci V.

Journal of Organic Chemistry, 2013 , vol. 78, # 11 p. 5717 - 5722 Title/Abstract Full Text View citing articles Show Details

With 1H-imidazole in dichloromethane

Henry Nitro Aldol Condensation; 0.166667 h; Hide Experimental Procedure

Rokhum, Lalthazuala; Bez, Ghanashyam

Tetrahedron Letters, 2013 , vol. 54, # 40 p. 5500 - 5504 Title/Abstract Full Text View citing articles Show Details

Typical procedure for solid phase synthesis of nitroalkene:

General procedure: To a solution ofbenzaldehyde (0.106 g, 1 mmol) and nitromethane (0.091 g, 1.5 mmol) inanhydrous dichloromethane (10.0 mL) was added imidazole (0.136 g,2.0 mmol) and stirred for 10 min. To the resulting mixture, polymer-boundtriphenylphosphine (0.5 g, 1.5 mmol) and iodine (0.380 g, 1.5 mmol) wereadded and allowed to stir for additional 50 min. After completion of thereaction, the solution was filtered through a sintered funnel and the resin waswashed successively with dichloromethane (30.0 mL) and saturated aqueoussodium thiosulfate solution (10.0 mL) thrice. The combined dichloromethaneand sodium thiosulfate solution was vigorously shaken in a separating funnelto remove any unreacted iodine. The organic layer was washed with brine(20.0 mL) and separated, dried over anhydrous sodium sulfate, andconcentrated under vacuo. The resultant crude product was purified bycolumn chromatography using 10percent ethyl acetate in hexane to get the pureproduct in 85percent (0.127 g, 0.85 mmol) yield. With 1,4-diaza-bicyclo[2.2.2]octane in acetonitrile

T=0°C; Henry Nitro Aldol Condensation; 24 h; Green chemistry;

2

Ai, Wensi; Shi, Ronghua; Zhu, Liyan; Jiang, Dehong; Ma, Xiaobo; Yuan, Jilan; Wang, Zhouyu

RSC Advances, 2015 , vol. 5, # 31 p. 24044 - 24048 Title/Abstract Full Text View citing articles Show Details


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With N,N,N',N'-tetramethylguanidine in diethyl ether

T=0 - 20°C; 6 h; Molecular sieveInert atmosphere;

Yamanaka, Takuto; Kondoh, Azusa; Terada, Masahiro

Journal of the American Chemical Society, 2015 , vol. 137, # 3 p. 1048 - 1051 Title/Abstract Full Text View citing articles Show Details

A

B

C

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3

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Zhou, Zhi-Ming; Li, Zhi-Huai; Hao, Xiao-Yan; Zhang, Jun; Dong, Xiao; Liu, Ying-Qiang; Sun, Wen-Wen; Cao, Dan; Wang, Jin-Liang

Organic and Biomolecular Chemistry, 2012 , vol. 10, # 10 p. 2113 - 2118 Title/Abstract Full Text View citing articles Show Details

With 2C7H7O3S(1-)*C37H48N6O2(2+); copper (II) acetate monohydrate in methanol T=0°C; Henry reaction; 60 h; stereoselective reaction;

A

B

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4

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With aluminum oxide; carbon dioxide

Henry reaction; 18 h; Reactivity; PressureTemperatureSolventReagent/catalyst; chemoselective reaction;

Ballini, Roberto; Noe, Marco; Perosa, Alvise; Selva, Maurizio

Journal of Organic Chemistry, 2008 , vol. 73, # 21 p. 8520 - 8528 Title/Abstract Full Text View citing articles Show Details


5

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Rx-ID: 16467920 Find similar reactions

Multi-step reaction with 2 steps 1: 95 percent / Amberlyst A-27 supported permanganate / CH2Cl2

2: Amberlite IRA-420 (OH-form) View Scheme

Caldarelli, Marina; Habermann, Joerg; Ley, Steven V.

Journal of the Chemical Society - Perkin Transactions 1, 1999 , # 2 p. 107 - 110 Title/Abstract Full Text View citing articles Show Details

A

B

C

D

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6

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Rx-ID: 2677945 Find similar reactions

B: 0.52 mg C: 0.13 mg D: 0.011 mg

Mori; Ishiyama; Akita; Suzuki; Mitsuoka; Oishi

Chemical and Pharmaceutical Bulletin, 1990 , vol. 38, # 12 p. 3449 - 3451 Title/Abstract Full Text View citing articles Show Details

With Clostridium innocuum; M10 broth

T=37°C; 120 h;

7

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Hide Experimental Procedure

Rx-ID: 24843128 Find similar reactions

Northwestern University

Patent: US4933505 A1, 1990 ; Title/Abstract Full Text Show Details


7.b:(a)

(b) n-BuLi (1.6 M hexane soln, 3.12 mL) was added dropwise with stirring to a solution of nitropropane (0.45 mL, 5 mmol) in THF (4 mL at -78° C. After 20 minutes the complex (as prepared above) was added and the solution allowed to warm to room temperature. After a further 4 hours the reaction was quenched at 0° C. with an aqueous slurry of disodium EDTA (1.86 g in 10 mL water). The mixture was diluted with water (50 mL) and extracted with Et2 O (3*50 mL). The combined Et2 O extracts were washed with hydrochloric acid (2 M, 50 mL), aqueous sodium bicarbonate (saturated, 50 mL) and water (50 mL, dried and evaporated in vacuo. Flash column chromatography [SiO2 hexane, Et2 O 6:1] gave 1-phenyl-2-nitro-1-propanol (0.271 g, 28percent) Erythro:threo ratio 4.6:1.

8

B

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9

A

With N,N,N',N',N'',N''-hexamethylphosphoric triamide; n-butyllithium in tetrahydrofuran

T=-90°C; varying amount/sequence of addition of reagents; Product distribution;

Yamada, Kazutoshi; Tanaka, Seiji; Kohmoto, Shigeo; Yamamoto, Makoto

Journal of the Chemical Society, Chemical Communications, 1989 , p. 110 - 111 Title/Abstract Full Text View citing articles Show Details

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62%

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Rx-ID: 2042320 Find similar reactions

With hydrogen; sulfided platinum on carbon in hydrogenchloride; ethanol

T=50°C; P=760 Torr; 14 h;

Tamura, Rui; Oda, Daihei; Kurokawa, Hiroshi

Tetrahedron Letters, 1986 , vol. 27, # 47 p. 5759 - 5762 Title/Abstract Full Text View citing articles Show Details

A

B

C

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10

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in water

T=30°C; 48 h; microbial reduction with Rhodococcus rhodochrous IFO 3338; other pH, other microoranism; Product distribution;

Sakai, Kunikazu; Nakazawa, Akiko; Kondo, Kiyoshi; Ohta, Hiromichi

Agricultural and Biological Chemistry, 1985 , vol. 49, # 8 p. 2331 - 2336 Title/Abstract Full Text Show Details

11

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Rx-ID: 7396486 Find similar reactions

With sodium hydroxide

Kamlet

Patent: US2151517 , 1938 ; Full Text Show Details

12

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Rx-ID: 5500470 Find similar reactions

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Kanao

Yakugaku Zasshi, 1927 , # 540 p. 18 Chem. Zentralbl., 1927 , vol. 98, # I p. 2539 Full Text View citing articles Show Details

Nagai; Kanao

Justus Liebigs Annalen der Chemie, 1929 , vol. 470, p. 174 Chem. Zentralbl., 1928 , vol. 99, # II p. 2553 Full Text Show Details


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