Intermediates for the preparation of microficidal pyrroline deri

Details Intermediates for the preparation of microficidal pyrroline deri Intermediates for the preparation of microficidal pyrroline deri

1987-06-03

1988-10-18

Brust, Joseph P.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544163, 546230, 548560, 548565, 548569, 558408, C07C12170, C07D207337, C07D29514

Patent

active

047789018

ABSTRACT:
Intermediates for the production of microbicidal pyrrolines of the formula ##STR1## in which R is halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 14 C.sub.6 -haloalkyl, and n is 0, 1 or 2, and a method of converting the pyrrolines to phytofungicidal pyrroles by oxidation with bromine or oxygen. Catalysts are provided for the oxidation with oxygen.

REFERENCES:
patent: 2382915 (1985-08-01), Rogers
patent: 3478053 (1969-11-01), Szmuszkovicz
patent: 3869470 (1975-03-01), Zueck
patent: 4229465 (1980-10-01), Ohkuma et al.
patent: 4471126 (1984-09-01), Ueda et al.
patent: 4546099 (1985-10-01), Nyfeler
patent: 4567052 (1986-01-01), Nyfeler
patent: 4680413 (1987-07-01), Genda et al.

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