Synthesis of (+/-)-desamino huperzine A

Citation
K. Hogenauer et al., Synthesis of (+/-)-desamino huperzine A, TETRAHEDR L, 41(48), 2000, pp. 9229-9232
Citations number
15
Categorie Soggetti
Chemistry & Analysis","Organic Chemistry/Polymer Science
Journal title
TETRAHEDRON LETTERS
ISSN journal
00404039 → ACNP
Volume
41
Issue
48
Year of publication
2000
Pages
9229 - 9232
Database
ISI
SICI code
0040-4039(20001125)41:48<9229:SO(HA>2.0.ZU;2-W
Abstract
The first synthesis of desamino huperzine A 2 is described. Key steps are a double Michael addition into benzoquinone monoketal 4, a regiocontrolled d ouble bond isomerisation and a novel pyridone synthesis involving a Michael addition of a B-keto ester into acrylonitrile. (C) 2000 Elsevier Science L td. All rights reserved.