Hexahydropyrimidines and corresponding linear polyamines

Details Hexahydropyrimidines and corresponding linear polyamines Hexahydropyrimidines and corresponding linear polyamines

1978-12-18

1984-10-30

Rizzo, Nicholas S.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

424251, C07D23904

Patent

active

044800959

ABSTRACT:
This invention relates to a process of reducing 2,4,5-trialkyl 2,3,4,5-tetrahydropyrimidine and/or 2,5,6,8,9-pentaalkyl 1,3,7-triazabicyclo (3,3,1) non-3-enes to yield 2,4,5-trialkylhexahydropyrimides and/or 2,4,5,6-tetraalkyl-5-(2-azoalkyl) hexahydropyrimidines; and to the cleavage of the above reduced products so as to convert the above hexahydropyrimides from cyclic amines to corresponding linear diamines and triamines. This invention also relates to the products produced by the processes.

REFERENCES:
patent: 2486648 (1949-11-01), Haury
patent: 2525855 (1950-10-01), Bergmann
patent: 2535747 (1950-12-01), Morey
patent: 2675390 (1954-04-01), Rosenblatt
patent: 3502578 (1970-03-01), Raifsnider
patent: 3502671 (1970-03-01), Hodge
patent: 3904625 (1975-09-01), Alink
patent: 4085104 (1978-04-01), Alink
patent: 4104249 (1978-08-01), Alink
patent: 4145545 (1979-03-01), Alink

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