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

Hefei TNJ chemical industry co.,ltd

website:https://www.tnjchem.com

Contact:+86-551-65418695

Address:B911 Xincheng Business Center, Qianshan Road, Hefei Anhui China
Henan Harvest Chem Co., Ltd

Contact:+86-371-86058576

Address:NO.32, Jingsan Road, Zhengzhou, China
Jiangsu Fengshan Group Co., Ltd.

Contact:86-25-86558671

Address:1903,Central International Mansion 105-6 North Zhongshan Road, Nanjing, China
Changzhou LanXu Chemical Co.,ltd.(expird)

Contact:86-0519-86330911,13656129734,15261186386

Address:Room 524, Depart.Chemical, Changzhou Science and Eductaion town, Jiangsu, China;Factory: Haian Fine Chemical Industry Park,Nantong,Jiangsu,China
Changzhou Qidi Chemical Co., Ltd

website:http://www.czqdhg.com/

Contact:86-519-83382137

Address:128-1-16# HuaYuan Street,Hutang Town,Wujin District,Changzhou City,P.R.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