Novel method for preparing N(1)-alkylated-5-phenyl-7-substituted

Details Novel method for preparing N(1)-alkylated-5-phenyl-7-substituted Novel method for preparing N(1)-alkylated-5-phenyl-7-substituted

1978-07-27

1980-10-07

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260570AB, 260574, 260577, 260583R, 544178, 548335, C07D24316

Patent

active

042267668

ABSTRACT:
A method for preparing N(1)-alkylated-5-phenyl-7-substituted deoxy-1,4-benzodiazepines utilizing a polyphosphoric acid alkyl ester of the formula: ##STR1## wherein R.sub.3 is an alkyl radical with up to 4 carbon atoms as the alkylating agent, is described.

REFERENCES:
Kanaoka et al., Tetrahedron, vol. 25, pp. 2757-2766 (1969).

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