ortho-halogeno substituents effect in asymmetric cyclization of 4-aryl-4-pentenals using a rhodium catalyst

DOI: 10.1246/cl.1998.881

Source and publish data:

Chemistry Letters p. 881 - 882 (1998)

Update date:2022-08-04

Topics:

Authors:

Fujio, Masakazu

Tanaka, Masakazu

Wu, Xiao-Ming

Funakoshi, Kazuhisa

Sakai, Kiyoshi

Suemune, Hiroshi

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Article abstract of DOI:10.1246/cl.1998.881

Asymmetric cyclization of 4-aryl-4-pentenals by using a cationic [Rh((R)-BINAP)]ClO₄ afforded (3R)-3-substituted cyclopentanones; on the other hand, the cyclization of 4-pentenals bearing ortho-halogeno phenyl groups afforded the opposite (3S)-ones.

Full text of DOI:10.1246/cl.1998.881

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