5-(2-Fluorophenyl)-1-methyl-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one (Flunitrazepam)

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2

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With hexamethylenetetramine; urotropin hydrochloride in ethanol

Heating;

Rx-ID: 4111011 Find similar reactions

Clarke, George M.; Lee, J. Barry; Swinbourne, Frederick J.; Williamson, Basil

Journal of Chemical Research, Miniprint, 1980 , # 12 p. 4777 - 4793 Title/Abstract Full Text Show Details


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Rx-ID: 6013991 Find similar reactions

Sternbach,L.H. et al.

Journal of Medicinal Chemistry, 1963 , vol. 6, p. 261 - 265 Full Text View citing articles Show Details

Hoffmann-La Roche Inc.

Patent: US3203990 , 1962 ; Chem.Abstr., 1966 , vol. 64, # 3576f Full Text Show Details

Hoffmann-La Roche

Patent: US3123529 , 1962 ; Chem.Abstr., 1964 , vol. 60, # 12035 Full Text Show Details

Sumitomo

Patent: DE2017060 , 1970 ; Chem.Abstr., 1971 , vol. 74, # 22904 Full Text Show Details

Hoffmann-LaRoche

Patent: AT334376DE2233482 , 1977 ; Chem.Abstr., vol. 78, # 111385 Full Text Show Details

Hoffmann-La Roche

Patent: CH568303DE2334273 , 1975 ; Chem.Abstr., vol. 80, # 108590 Full Text Show Details

Hoffmann-La Roche

Patent: GB1039372 , 1963 ; Chem.Abstr., 1966 , vol. 65, # 15408g Full Text Show Details

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Sumitomo Chemical Company, Limited

Patent: US3991048 A, 1976 ; Title/Abstract Full Text Show Details

According to the process of the present invention, there are prepared, for example, the following benzodiazepine derivatives: 1-Methyl-5-(o-fluorophenyl)-1,3-dihydro-2H- 1,4-benzodiazepin-2-one. 1-Cyclopropylmethyl-5-(o-fluorophenyl)-7-chloro- 1,3-dihydro-2H-1,4-benzodiazepin-2-one 1-Methyl-5-phenyl-7-trifluoromethyl-1,3-dihydro- 2H-1,4-benzodiazepin-2-one 1-Methyl-5-(o-fluorophenyl)-7-nitro-1,3-dihydro- 2H-1,4-benzodiazepin-2-one 1-(β-Vinyloxyethyl)-5-phenyl-7-chloro-1,3-dihydro- 2H-1,4-benzodiazepin-2-one 1-(β-Methoxy-β -ethoxyethyl)-5-phenyl-7-chloro- 1,3-dihydro-2H-1,4-benzodiazepin-2-one 1-(β-Acetoxyethyl)-5-phenyl-7-chloro-1,3-dihydro-2H-1,4-benzodiazepin-2-one 1-(β-Methylthioethyl)-5-phenyl-7-chloro-1,3-dihydro- 2H-1,4-benzodiazepin-2-one 1-(β-Methylsulfinylethyl)-5-phenyl-7-chloro- 1,3-dihydro-2H-1,4-benzodiazepin-2-one ...


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