Intermediates in the preparation of 4-phenylpyrrole derivatives

Details Intermediates in the preparation of 4-phenylpyrrole derivatives Intermediates in the preparation of 4-phenylpyrrole derivatives

1988-12-22

1991-01-01

Brust, Joseph Paul

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

Organic compounds

Nitriles

564345, C07C25540, C07C21127

Patent

active

049819909

ABSTRACT:
The invention relates to a process for the preparation of 4-phenylpyrrole derivatives of the formula I ##STR1## wherein R.sub.n, R.sub.1 and R.sub.2 are as defined in claim 1, which comprises reacting a phenacylamine of formula II ##STR2## with a compound of formula III

REFERENCES:
patent: 3775477 (1973-11-01), Diana
Chem. Abstr., 78:111044x (1973).
Abstract of A. M. van Leusen et al., Tet. Lett., pp. 5337-5340 (1972).
D. O. Cheng et al., Tet. Lett., pp. 1469-1472 (1977).
International Union of Pure and Applied Chemistry (1965), p. 102.
Chemical Abstracts vol. 71, No. 7 (1969); Abstract No. 30251r to Umio et al.

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