Highly enantioselective creation of quaternary carbons in a halolactonization of bis-γ,δ-unsaturated carboxylic imides derived from a camphorsultam: Enantioselective synthesis of (+)-mesembrine

DOI: 10.1016/S0040-4039(00)60916-4

Source and publish data:

Tetrahedron Letters p. 6999 - 7002 (1992)

Update date:2022-08-02

Topics:

Authors:

Yokomatsu

Iwasawa Iwasawa

Shibuya Shibuya

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Article abstract of DOI:10.1016/S0040-4039(00)60916-4

Iodolactonization of symmetrical diene-carboxylic imides (3a,b), derived from a camphorsultam, afforded chiral lactones (5) and (6) possessing aromatic substituents on quaternary carbons in high enantioselectivity with moderate diastereoselectivity.

Full text of DOI:10.1016/S0040-4039(00)60916-4

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