APPLICATION OF WITTIG AND CLAISEN REARRANGEMENTS IN STEROID SIDE CHAIN SYNTHESIS. A HIGHLY STEREOCONTROLLED ENTRY TO EITHER (22S)- OR (22R)-HYDROXY-23-CARBOXYLIC ACID

DOI: 10.1016/S0040-4039(00)85092-3

Source and publish data:

Tetrahedron Letters p. 4899 - 4902 (1986)

Update date:2022-08-02

Topics:

Authors:

Mikami, Koichi

Kawamoto, Kazuya

Nakai, Takeshi

Read Full Text PDF DownLoad Join now for total 90,000,000 free articles

Article abstract of DOI:10.1016/S0040-4039(00)85092-3

An efficient approach to either (22S)- or (22R)-hydroxy-23-carboxylic acid side chain is described which relies on the stereochemical transmission via <2,3>Wittig or <3,3>Claisen sigmatropic rearrangement, respectively.

Full text of DOI:10.1016/S0040-4039(00)85092-3

Products guided by the article

Product name:Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

Cas No:109004-01-5

R&D Labs maybe for 109004-01-5

ShangHai Original Economy-Trade Develop Co.,Ltd.,

Contact:86-21-68552131

Address:shanghai
Win-Win chemical Co.Ltd

website:http://www.win-winchemical.com

Contact:0086-577-64498589

Address:6F, No. 396 Xingping Road, Longwan Industrial Zone, Wenzhou City, Zhejiang, 325000 P.R.China
Zhejiang kehong chemical co., ltd

Contact:0086-575-85522000

Address:xiner center RD binhai industrial zone shaoxing zhejiang province P.R.China,312073
X.T.Y Environ-Tech Co.,Ltd

Contact:+86-310-7092106

Address:Quzhou Modern & New Industrial Park, Handan, Hebei 057250, China
Baicao Pharmaceutical Co., Ltd.

website:http://www.jxbaicao.com

Contact:+86-796-8113329

Address:It (country) economic and technological development zone of the jinggang mountains

Relevant to this article

Doi:10.1021/ja01551a050
(1958)
Doi:10.1016/S0020-1693(00)83239-9
(1989)
Dipole-promoted and size-dependent cooperativity between pyridyl-containing triazolophanes and halides leads to persistent sandwich complexes with iodide

Doi:10.1021/ja8077329
(2008)
Transformations of Heterocyclic Amidines and Amide Oximes: Synthesis of s-Triazolo<1',5':1,6>pyrimido<4,5-c>pyridazines, s-Triazolo<1',5':2,3>pyridazino<4,5-c>quinoline and 7H-2,3,4,6,7-Pentaazabenzanthracene, Derivatives of Novel Heterocyclic System

Doi:10.1055/s-1986-31787
(1986)
Practical reduction of oxazolines to alcohols

Doi:10.1016/j.tetlet.2008.09.061
(2008)
Tertiary aromatic amide for memory of chirality: Access to enantioenriched α-substituted valine

Doi:10.1021/ja801165z
(2008)

Article Doi