Polyphosphoric Acid Catalyzed Conversion of 3-(Methoxyphenyl)propionic Acids to Derivatives of Metacyclophane-1,10-diones and 1-Indanones

DOI: 10.1021/jo00055a005

Source and publish data:

Journal of Organic Chemistry p. 556 - 559 (1993)

Update date:2022-08-04

Topics:

Authors:

Zhang, Juan

Hertzler, Russell L.

Holt, Elizabeth M.

Vickstrom, Thayne

Eisenbraun, Edmund J.

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Article abstract of DOI:10.1021/jo00055a005

Polyphosphoric acid (PPA) catalyzed cycliacylation of 3-(2-methoxy- and 2,4-dimethoxyphenyl)propionic acids (1a,b) results in dimeric products: 46 and 49percent yields of 5,14-dimethoxy- and 5,7,14,16-tetramethoxy<3.3>metacyclophane-1,10-diones (5a,b) and

Full text of DOI:10.1021/jo00055a005

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