Preparation of an intermediate for N-(methylsulfonyl)-1,2,8,8a-c

Details Preparation of an intermediate for N-(methylsulfonyl)-1,2,8,8a-c Preparation of an intermediate for N-(methylsulfonyl)-1,2,8,8a-c

1982-02-08

1983-12-27

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D48704

Patent

active

044232306

ABSTRACT:
Novel antibacterially-active compound, 1,2,8,8a-cyclopropa[c]benzo[1,2-b:-4,3-b']dipyrol-4(5H)-one, prepared by a novel chemical process. This compound, as well as antibacterially-active intermediates, can be used to eradicate or control susceptible bacteria, for example, B. subtilis, K. pneumonia, S. lutea, S. aureus, and M. avium.
Included is a process for the preparation of an intermediate compound of the formula ##STR1## wherein R.sub.2, R.sub.3 and R.sub.4 are as defined hereinafter.

REFERENCES:
patent: 4169888 (1979-10-01), Hanka et al.
Martin, D. G., et al., J. Antibiot. 33, 902 (1980).

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