Substituted butanamido acetate compounds for the preparation of

Details Substituted butanamido acetate compounds for the preparation of Substituted butanamido acetate compounds for the preparation of

1986-08-29

1988-11-29

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560170, 564159, C07D30912, C07C10130, C07C103183

Patent

active

047883006

ABSTRACT:
A process for preparing compounds (1) ##STR1## where Y is NR.sup.1 R.sup.2 or OR, R.sup.1 and R.sup.2 are hydrogen or C.sub.1-3 alkyl, and R is C.sub.1-3 alkyl, which comprises protecting the hydroxy group of a compound (2) ##STR2## cyclizing the product under basic conditions and removing the protecting group.

REFERENCES:
patent: 4124594 (1978-11-01), Monguzzi et al.
patent: 4173569 (1979-11-01), Banfi et al.
Tabei et al., Heterocycles 14:1779-1784 (1980).
Pifferi et al., Il Farmaco (Ed. Sc.) 32:602-613 (1977).
Chem. Abs. vol. 101, p. 820, 192453y (1984).

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