C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 239/66 (2006.01) C07D 239/68 (2006.01)
Patent
CA 2076690
A process is disclosed for the production of 2- (methylthio)-disodium barbiturate by reacting thiourea, malonic acid dimethyl ester and sodium methanolate to form disodium thiobarbiturate. The disodium thiobarbiturate is then reacted with methyl bromide, optionally in the presence of a base, to form the desired end product.
Etzensperger Marcel
Roduit Jean-Paul
Wellig Alain
Etzensperger Marcel
G. Ronald Bell & Associates
Lonza Ltd.
Roduit Jean-Paul
Wellig Alain
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