Method for preparing 3-hydroxy pyrroles and esters thereof

Details Method for preparing 3-hydroxy pyrroles and esters thereof Method for preparing 3-hydroxy pyrroles and esters thereof

1986-04-25

1988-09-27

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20736

Patent

active

047743409

ABSTRACT:
A novel compound useful in detecting leukocytes, esterase and protease in a test sample. The compound has the structure ##STR1## in which: A is an acid residue, R is lower alkyl, aryl, carboxyl, carboxyl ester, amido or cyano, R* is H or lower alkyl, and X is O, S, or NR', in which R' is H, lower alkyl or aryl.

REFERENCES:
patent: 2830997 (1958-04-01), Lunsford
patent: 3256297 (1966-06-01), Cavalla et al.

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