Process for the preparation of 1-4-disubstituted-5 (4H)-tetrazol

Details Process for the preparation of 1-4-disubstituted-5 (4H)-tetrazol Process for the preparation of 1-4-disubstituted-5 (4H)-tetrazol

1994-09-23

1998-06-16

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546276, 546208, C07D40106, C07D40114, C07D25704

Patent

active

057672865

ABSTRACT:
1,4-Disubstituted-5(4H)-tetrazolinones of the formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 have the meanings given in the specification), which are known to be useful as herbicides, can be obtained in very good yields by reacting the corresponding 1-substituted-5(4H)-tetrazolinones with the corresponding carbamoyl chlorides in the presence of 4-dimethylaminopyridine.

REFERENCES:
patent: 4618365 (1986-10-01), Covey et al.
patent: 4985065 (1991-01-01), Theodoridis

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