Tetrahedron Letters p. 8879 - 8882 (1996)
Update date:2022-08-04
Topics:
Kohmoto, Shigeo
Koyano, Ichiro
Kishikawa, Keiki
Yamamoto, Makoto
Yamada, Kazutoshi
Intramolecular photocycloaddition of cyclopropene carboxylic acid allylic esters 1 results in an exclusive formation of 5-oxaspiro[2,4]hepta-4-ones 2, the hydrogen transferred rearrangement products, with induction of three stereogenic centers. Ring strai
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