Pyrido(2,3-D)pyrimidines

Details Pyrido(2,3-D)pyrimidines Pyrido(2,3-D)pyrimidines

1985-03-15

1986-12-09

Daus, Donald G.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544279, C07D48702

Patent

active

046280898

ABSTRACT:
There are disclosed novel intermediates useful in the preparation of pyrido[2,3-d]pyrimidines having the following structures: ##STR1## wherein R is CH.sub.3, CH.sub.3 CH.sub.2, CH.sub.3 CH.sub.2 CH.sub.2, CH.sub.2 .dbd.CHCH.sub.2 or CH.tbd.CCH.sub.2 ; and ##STR2## wherein R is CH.sub.3, CH.sub.3 CH.sub.2, CH.sub.3 CH.sub.2 CH.sub.2, CH.sub.2 .dbd.CHCH.sub.2 or CH.tbd.CCH.sub.2. These intermediates have the formulas: ##STR3## wherein Y is CHO, CH.sub.2 OH or CH.sub.2 Br; and Z is CH.sub.2 OH or CH.sub.2 Br.

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