Process for the preparation of nitromethylene heterocyclic compo

Details Process for the preparation of nitromethylene heterocyclic compo Process for the preparation of nitromethylene heterocyclic compo

1988-07-25

1990-05-08

Ford, John M.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544 54, 548200, 548146, C07D27710, C07D27906

Patent

active

049239872

ABSTRACT:
The invention provides a process for the preparation of nitromethylene heterocyclic compounds of general formula ##STR1## wherein R.sup.1 represents a hydrogen atom or a formyl or acetyl group, each moiety R.sup.2 is independently selected from hydrogen atoms and C.sub.1-4 alkyl and benzyl groups, and n is 2 or 3, which process comprises reacting an alkali metal methylnitrodithioacetate with a compound of formula

REFERENCES:
patent: 4052388 (1977-10-01), Powell
patent: 4501742 (1985-02-01), Harris
patent: 4532322 (1985-07-01), Jackson et al.

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