Process for preparing Benzoxepino- or Benzthiapino[4,3-b]pyrrole

Details Process for preparing Benzoxepino- or Benzthiapino[4,3-b]pyrrole Process for preparing Benzoxepino- or Benzthiapino[4,3-b]pyrrole

1981-12-11

1983-04-19

Raymond, Richard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548533, C07D491044, C07D49504

Patent

active

043806457

ABSTRACT:
Improved yields of Benzoxepino- or Benzthiapino[4,3-b]pyrrole-2-acetic acids have been achieved from processes based on modifications performed on a pyrrole carboxylic ester rather than on a pyrrole-.alpha.-oxoacetate.

REFERENCES:
patent: 3752826 (1973-08-01), Carson
Carson et al., J. Med. Chem., 16, No. 2, 173 (1973).
H. Kondo et al., J. Pharm. Soc. Japan, 57, 1 at p. 3 (1937).
R. Chong et al., Aust. J. Chem., 20, 935-950 at 946 (1967).
Ackrell et al., J. Heterocyclic Chem., 17, 1081 (1980).

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