Method for the production of 2-(2-ethoxyphenyl)-substituted...

Details Method for the production of 2-(2-ethoxyphenyl)-substituted... Method for the production of 2-(2-ethoxyphenyl)-substituted...

2006-04-04

2006-04-04

Balasubramanian, Venkataraman (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C548S334100, C564S034000

Reexamination Certificate

active

07022847

ABSTRACT:
The invention relates to a method for the production of 2-phenyl-substituted imidazotriazinones of general formula (I), comprising the reaction of compounds of formula (II) with compounds of formula (III) and subsequent reaction with iodine or bromine, then with a metal cyanide and reaction with an acid.

REFERENCES:
patent: 4278673 (1981-07-01), Hartley et al.
patent: 6362178 (2002-03-01), Niewohner et al.
Encyclopedia of Organic Reagents for Organic Synthesis, Bromine, and Iodine, John Wiley, 2003.

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