Synthesis p. 783 - 784 (1990)
Update date:2022-08-17
Topics:
Sugahara, Kotoji
Fujita, Tsutomu
Watanabe, Shoji
Sakamoto, Masami
Sugimoto, Ken-ich
A convenient preparative method of obtaining 2,2,4,5,5-pentaalkyl-δ-valerolactones 2a-d or 2,2,4,4-tetraalkyl-γ-butyrolactones 4a-e by the acid-catalyzed lactonization of 3-cyclopropylalkanoic acids, and for obtaining bicyclo-γ-lactones 6a-d from bicyclic 2-cyclopropylalkanoic acids 5a-d is presented.
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Doi:10.1021/ja0300315
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(2001)Doi:10.1021/acs.organomet.8b00184
(2018)Doi:10.1016/j.tetlet.2016.03.040
(2016)Doi:10.1002/cctc.201600491
(2016)Doi:10.1007/BF01981733
(1993)
