3,4-dihydro-4,4-dimethyl-2H-pyran-2-one, an insecticide intermed

Details 3,4-dihydro-4,4-dimethyl-2H-pyran-2-one, an insecticide intermed 3,4-dihydro-4,4-dimethyl-2H-pyran-2-one, an insecticide intermed

1986-07-24

1987-10-20

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30932

Patent

active

047015390

ABSTRACT:
Processes for producing a (1.alpha., 4.alpha., 5.alpha.)-6,6-dimethyl-4-halo-substituted methyl-3-oxabicyclo[3.1.0]hexan-2-one and its novel intermediates from known and inexpensive starting materials are described and exemplified.

REFERENCES:
patent: 4041049 (1977-08-01), Muller et al.
Semet, Chem. Abst. 89:197270e.
Nozaki et al., Chem. Abst., vol. 67, 1967, 81827h.
Semet and Longeray, Bull. Soc. Chim. Fr., (Part II, 3-4), 185-192 (1978); English translation, pp. 185-189.
J. Bredt, Justus Liebigs Ann. Chim., 299, 131-192 (1897); English translation, pp. 184-192.

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