Synthetic studies related to pentalenolactones ; Part II : Cyclopentanation with 2-chloromethyl-allyl phenylsulphone.

DOI: 10.1016/S0040-4039(00)80053-2

Source and publish data:

Tetrahedron Letters p. 201 - 204 (1988)

Update date:2022-07-29

Topics:

Authors:

Breuilles, P.

Uguen, D.

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Article abstract of DOI:10.1016/S0040-4039(00)80053-2

The title sulfone was cyclocondensed with cyclopentanones under palladium catalysis in a biphasic system (1N KOH-TEBA/CH2Cl2) to give methylene-bicyclo<3,3,0>octanones in 39-43percent yield.

Full text of DOI:10.1016/S0040-4039(00)80053-2

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