Pyrrolyl intermediates in the synthesis of pyrrole analogs of me

Details Pyrrolyl intermediates in the synthesis of pyrrole analogs of me Pyrrolyl intermediates in the synthesis of pyrrole analogs of me

1989-04-14

1990-11-27

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548562, 548412, 549214, C07D207337, C07F 718

Patent

active

049737040

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.1 is C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR2## wherein R.sub.5, R.sub.6 and R.sub.7 are as defined below, R.sub.2 is C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR3## wherein R.sub.8, R.sub.9 and R.sub.10 are as defined below, R.sub.3 is hydrogen, C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR4## wherein R.sub.11, R.sub.12 and R.sub.13 are as defined below, R.sub.4 is hydrogen, C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR5## wherein R.sub.14, R.sub.15 and R.sub.16 are as defined below, X is --(CH.sub.2).sub.m --, --CH.dbd.CH--, --CH.dbd.CH--CH.sub.2 --or --CH.sub.2 --CH.dbd.CH--, wherein m is 0, 1, 2 or 3, and

REFERENCES:
patent: 4647576 (1987-03-01), Hoefle et al.
patent: 4739073 (1988-04-01), Kathawala

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