Process for preparing tetrahydropyrimidines

Details Process for preparing tetrahydropyrimidines Process for preparing tetrahydropyrimidines

1977-06-15

1979-03-20

Rizzo, Nicholas S.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D23906

Patent

active

041455452

ABSTRACT:
Substituted 2, 3, 4, 5-tetrahydropyridimines (THP) ##STR1## are prepared as follows: (1) The reaction of a carbonyl compound (ketone or aldehyde) with (NH.sub.3 or NH.sub.4 OH) and a sulfur-containing catalyst.

REFERENCES:
patent: 3904625 (1975-09-01), Alink
patent: 3943134 (1976-03-01), Kajiyama et al.
patent: 4085104 (1978-04-01), Alink

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