Process of making 2-salicyl(thio0r oxo) pyrimidine

Details Process of making 2-salicyl(thio0r oxo) pyrimidine Process of making 2-salicyl(thio0r oxo) pyrimidine

1996-07-12

1998-07-07

Gupta, Yogendra N.

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

Organic compounds

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

544253, 544283, 544299, 544300, 544302, 544310, 544314, C07D23938, C07D23934

Patent

active

057771189

ABSTRACT:
Cyclic acetals of the formula I ##STR1## where the substituents have the following meanings: R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl or phenyl; additionally R.sup.1 and R.sup.2 together are an unsubstituted or substituted C.sub.2 -C.sub.6 -alkylene chain;
Y is oxygen or sulfur;
A has the meaning as given in claim 1;
a process for preparing the acetals I and their use for the production of crop protection compositions are described.

REFERENCES:
CA 91: 193237, 1979.

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