TOTAL SYNTHESIS OF (+)-5α-DIHYDROPREGNENOLONE VIA ACETYLENE-CATION CYCLIZATION

DOI: 10.1016/S0040-4039(00)92748-5

Source and publish data:

Tetrahedron Letters p. 1469 - 1470 (1980)

Update date:2022-07-30

Topics:

Authors:

Kametani, Tetsuji

Suzuki, Koji

Nemoto, Hideo

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

Article abstract of DOI:10.1016/S0040-4039(00)92748-5

The stereoselective total synthesis of (+)-5α-dihydropregnenolone 7 via acetylene-cation cyclization of 6, which was readily prepared from the optically active D-ring aromatic steroid 1, is described.

Full text of DOI:10.1016/S0040-4039(00)92748-5

Products guided by the article

Product name:3β-hydroxy-5α-pregnan-20-one

Cas No:36027-63-1

R&D Labs maybe for 36027-63-1

Refine Chemicals Science & Technology Technology Developing Co., Ltd.

Contact:+86-22-87899130

Address:No.12,west keyan road,Tianjin City
Zhejiang Kangfeng Chemical Co.,LTD.

Contact:+86-579-86709687

Address:Xueshizhai Industrial Zone, Weishan Town,Dongyang City, Zhejiang Province ,China
QINGDAO DEVELOP chemistry Co.,Limited

Contact:+86-532-85807910

Address:98#Nanjing Road, Qingdao, China 266071
Shanghai Pinewood Fine Chemical Co., Ltd.

website:http://www.pinewoodchem.com

Contact:0086-21-62417129，62414096

Address:Suite B, 27F, No.2, Lane 600, Tianshan Road, Shanghai
Nanjing Spring & Autumn Biological Engineering Co., Ltd.

Contact:86-180510-83338

Address:Suite# 210, No. 1 BuildingNanjing Agricultural Biotechnology High-tech Entrepreneurship Center, No. 4 Tongwei Road, Xuanwu District, Nanjing,China

Relevant to this article

Electrochemical C-H functionalization and subsequent C-S and C-N bond formation: Paired electrosynthesis of 3-amino-2-thiocyanato-α,β-unsaturated carbonyl derivatives mediated by bromide ions

Doi:10.1039/c6gc00666c
(2016)
Doi:10.1021/ja01293a509
(1936)
Seven-membered ring formation through Grewe-cyclization

Doi:10.1016/S0040-4020(01)00497-5
(2001)
Syntheses of lamellarins I and K by [3+2] cycloaddition of a nitrone to an alkyne

Doi:10.1055/s-2001-15143
(2001)
Doi:10.1039/jr9480001707
(1948)
Enantioselective synthesis of fluorinated α-amino acids and derivatives in combination with ring-closing metathesis: Intramolecular π-stacking interactions as a source of stereocontrol

Doi:10.1021/ol016087q
(2001)

Article Doi