Pilosinine derivatives

Details Pilosinine derivatives Pilosinine derivatives

1991-10-23

1993-01-19

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5483421, C07D23364, C07D40506, A61K 31415

Patent

active

051808374

ABSTRACT:
The invention relates to a process for the preparation of racemic pilosinine derivatives as precursor for the alkaloid pilocarpine of pharmacological importance from a 5-formyl-1-alkylimidazole of the formula I ##STR1## in which R.sup.1 is a straight-chain or branched alkyl chain with 1-6 C atoms which, via the stage of the thioacetal, is added onto .gamma.-crotonolactone.

REFERENCES:
patent: 4220654 (1980-09-01), Bolhofer et al.
Link et al., Helv. Chem. Acta 55, 1053 (1972).
The Merck Index; entry No. 1596, Eleventh Edition, 1989.

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