Stereoselective Synthesis of Pyrano[3,2-c]benzopyrans via Intramolecular Cycloaddition of o-Quinonemethides Generated from Salicylaldehydes and Unsaturated Alcohols under Very Mild Conditions

Author:

Miyazaki Hidekazu1,Honda Kiyoshi1,Asami Masatoshi1,Inoue Seiichi1

Affiliation:

1. Department of Chemistry and Biotechnology, Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogayaku, Yokohama 240-8501, Japan

Publisher

American Chemical Society (ACS)

Subject

Organic Chemistry

Reference34 articles.

1. (a) Boger, D. L.; Weinreb, S. M. InHetero Diels−Alder Methodology inOrganic Synthesis; Academic Press:  New York, 1987; Chapter 7, pp 193−199.

2. (b) Fringuelli, F.; Taticchi, A. InDienes in the Diels−AlderReaction; Wiley:  New York, 1990; Chapter 3, pp 125−147.

3. (c) Wagner, H.U.; Gompper, R. InThe Chemistry of the Quinonoid Compounds; Patai, S., Ed.; Wiley:  New York, 1974; Part 2, Chapter 18, pp 1145−1178.

4. (d) Cinganek, E. InOrganic Reactions, Dauben, W. G., Ed.; Wiley:  New York, 1984; Vol. 32, Chapter 1, pp 1−374.

5. O-quinone methides. II. Trapping with production of chromans

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