Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-10-24
1976-09-28
Ford, John M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D25306
Patent
active
039831140
ABSTRACT:
A method of preparation of 6-aza uracile, comprising the steps of:
A. Cyclization of semi-carbazone of glyoxylic acid by heating this latter with an excess of a trialkyl-silylation agent taken as a solvent and isolating the resulting product, namely the O-disilylated derivative of 6-aza uracile (or di-3,5 (trialkylsiloxy)1,2,4 triazine) and
B. subjection of the product resulting from step a) to an acid hydrolysis.
REFERENCES:
patent: 3922273 (1975-11-01), Deutsch
Christidis Yani
Vallejos Jean-Claude
Flocks Karl W.
Ford John M.
Nobel Hoechst Chimie
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