TANDEM ELECTROCYCLIC-SIGMATROPIC REACTION OF BENZOCYCLOBUTENES. 2. A NEW ROUTE TO ISOCHROMAN-3-ONE-4-SPIRO-1'-CYCLOALK-3'-ENES

DOI: 10.1016/S0040-4039(00)84151-9

Source and publish data:

Tetrahedron Letters p. 971 - 974 (1986)

Update date:2022-09-26

Topics:

Authors:

Shishido, Kozo

Hiroya, Kou

Fukumoto, Keiichiro

Kametani, Tetsuji

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Article abstract of DOI:10.1016/S0040-4039(00)84151-9

Thermolyses of the benzocyclobutenylspirolactones, easily derived from 1-cyano-5-methoxybenzocyclobutene, afforded isochroman-3-one-4-spiro-1'-cycloalk-3'-enes in good yields via tandem electrocyclic-sigmatropic reaction of o-quinodimethane.

Full text of DOI:10.1016/S0040-4039(00)84151-9

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