Pyrimidine derivatives

Details Pyrimidine derivatives Pyrimidine derivatives

1990-02-20

1991-06-25

Ford, John M.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 93, 71 90, 544333, 544335, 544182, 544216, 544295, 544296, 544122, 544123, 544 8, 544 98, 544 584, 544 586, 544 581, 544 56, 544238, 544277, 544284, 544353, 544354, 544355, 544356, 544257, 544258, A01N 4354, C07D23926, C07D40106, C07D40306

Patent

active

050264184

ABSTRACT:
Pyrimidine compounds useful as plant growth regulators have the formula (I): ##STR1## wherein Y is an optionally substituted secondary or tertiary alkyl group containing from 3 to 7 carbon atoms or an optionally substituted cycloalkyl or alkylcycloalkyl group containing from 3 to 7 carbon atoms; R.sup.1 and R.sup.2, which may be the same or different, are hydrogen or a lower alkyl group; A is an optionally substituted heterocyclic group, for example thienyl or pyridyl; n is an integer which may be from 0 to 2 and is preferably 0; and R.sup.3 is hydrogen, an alkyl group containing from 1 to 4 carbon atoms, or an alkenyl or alkynyl group containing from 2 to 4 carbon atoms.

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