Preparation of 5,5-dimethyl-2-hydrazino-1,4,5,6-tetrahydro-pyrim

Details Preparation of 5,5-dimethyl-2-hydrazino-1,4,5,6-tetrahydro-pyrim Preparation of 5,5-dimethyl-2-hydrazino-1,4,5,6-tetrahydro-pyrim

1980-02-19

1981-04-14

Coughlan, Jr., Paul M.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C07D23914

Patent

active

042621224

ABSTRACT:
There is provided a novel process for preparing 5,5-dimethyl-2-hydrazino-1,4,5,6-tetrahydropyrimidine hydrohalide by causing neopentyldiamine to react with a guanidine hydrohalide and followed by treating the so-formed reaction product with hydrazine to yield the desired tetrahydropyrimidine hydrohalide. Alternatively, neopentyldiamine, guanidine hydrohalide and hydrazine can be admixed and reacted to yield the desired tetrahydropyrimidine hydrohalide.

REFERENCES:
patent: 3931152 (1976-01-01), Tomcufcik et al.

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