Cyclization of 4-Hydroxy-(E)-2-alkenoic Esters: Simple Synthesis of Butenolides

DOI: 10.1055/s-1986-31659

Source and publish data:

Synthesis p. 416 - 417 (1986)

Update date:2022-08-03

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Authors:

Tanikaga, Rikuhei

Yamashita, Hiroshi

Kaji, Aritsune

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Article abstract of DOI:10.1055/s-1986-31659

Simple treatment of 4-hydroxy-(E)-2-alkenoic esters with benzenethiol leads to cyclization to give 3-phenylthio-4-alkanolides, which are easily converted into 3-phenylthio-2-alken-4-olides and 2-alken-4-olides (Δ^α,β-butenolides).

Full text of DOI:10.1055/s-1986-31659

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