Asymmetric Michael-type alkylation of chiral imines enantioselective syntheses of (−)-geosmin and two other related natural terpenes, as well as enant-(+)-geosmin

Tetrahedron Letters, Vo1.30, No.52, p 7275, 1989 Printed in Great Britain Perqamon Press plc

CORRIGENDA

Gas-Phase

Replacement Do Substituent Constants of Heteroaryl Groups.

N. A. Al-Awadi, R. F. Al-Bashir and 0. M. E. ELDusouqui, Tetrahedron Len., 1989,30, 1699. A typographical error appears in the last entry in the reference section: Correction

Entrv p.

Asymmetric

p. 3496

3896

Michael-type Alkylation of Chiral Imines

Enantioselective

Syntheses

of (-)-Geosmin

and

Two

Other

Related

Natural

Terpenes, as well as enant-(+)-Geosmin. Gilbert REVEAL Tetrahedron

Letters, Vol. 30, No. 31, pp 4121-4124,1989.

p. 4123, 3rd line, please read : (+)-rruns-8,10-dimethyl-l(9)-octalonep. 4124,in reference

2, please read :

+ 44’ rd20D and

instead of [a12’~ -44’

[a]**, -77” instead of [a]**~ +77’

7275

14