Process for the preparation of an n-phenylacetic derivative of t

Details Process for the preparation of an n-phenylacetic derivative of t Process for the preparation of an n-phenylacetic derivative of t

1991-07-03

1993-04-20

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 77, C07D51304, C07D33320

Patent

active

052044696

ABSTRACT:
The invention relates to a process for the preparation of the compound of formula ##STR1## wherein a formylating agent is reacted with the compound of formula ##STR2## and wherein the compounds obtained are cyclised in the presence of an acid.

REFERENCES:
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patent: 4529596 (1985-07-01), Aubert et al.
patent: 4847265 (1989-07-01), Badorc et al.
patent: 4873343 (1989-10-01), Radisson et al.
F. P. Doyle, et al., J. Chem. Soc., "Derivatives of 6-Amino-penicillanic Acid," pp. 1440-1442 (1962).
T. Sohda et al., Chem. Pharm. Bull., "Studies on Antidiabetic Agents," 30 (10), pp. 3601-3616 (1982).
J. March, "Advanced Organic Chemistry," 3rd Ed., pp. 104-109, John Wiley & Sons, New York (1985).

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