Total synthesis of (+)-quassin

T. K.M. Shing, Q. Jiang

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


A total synthesis of (+)-quassin from naturally occurring (S)-(+)-carvone is described. The total number of steps was 28, and the overall yield was about 2.6%. The synthetic strategy for the construction of the tetracyclic carbon framework was based on a C→ABC→ABCD ring annulation sequence, involving an aldol reaction, an intramolecular Diels-Alder reaction, and an intramolecular acylation as the key steps. Subsequent functionalization of ring A and ring C then afforded the target (+)-quassin.

Original languageEnglish
Pages (from-to)7059-7069
Number of pages11
JournalJournal of Organic Chemistry
Issue number21
Publication statusPublished - 2000 Oct 20

ASJC Scopus subject areas

  • Organic Chemistry


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