SYNTHESIS OF ETHYNYLIDENE CYCLOPENTANES BY A CYCLISATION CATALYZED BY THE SIMULTANEOUS PRESENCE OF PALLADIUM (0) AND COPPER (I)

DOI: 10.1016/0040-4039(91)80215-R

Source and publish data:

Tetrahedron Letters p. 6541 - 6544 (1991)

Update date:2022-07-30

Topics:

Authors:

Boussy, Didier

Balme, Genevieve

Gore, Jacques

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

Article abstract of DOI:10.1016/0040-4039(91)80215-R

Ethynylidene cyclopentanes 3 can be formed in 35-71percent yield from the reaction of the enolates of compounds such as δ-acetylenic malonates with 1-halogeno-1-alkynes.This reaction requires catalysis by both palladium (0) and copper (I) species.

Full text of DOI:10.1016/0040-4039(91)80215-R

Products guided by the article

Product name:Cyclopentanecarboxylic acid, 2-(2-heptynylidene)-1-(phenylsulfonyl)-, methyl ester, (E)-

Cas No:138770-04-4

R&D Labs maybe for 138770-04-4

Dalian Join King Biochemical Tech. Co., Ltd.

Contact:0411 39216206

Address:814 First State Blvd
Shanghai Synmedia Chemical Co., Ltd

Contact:+86-21-38681880

Address:6th Floor, 11A Building, No.528 Ruiqing Road, Heqing town, Pudong new district, Shanghai China
Dezhou Longteng Chemical Co., Ltd.

website:http://www.sodium-methoxide.cn/

Contact:0086-18866052283

Address:Xinhua Industrial Zone, Dezhou City, Shandong Province, China
Shanghai Zhihua ChemTech Co., Ltd.

Contact:+86-13774313779

Address:Room 817 Suite B 3333 Shenjiang Road
Nanjing Fubang Chemical Co.,Ltd

Contact:+86-25-83179199

Address:5F,Tianzheng international plaza,No399 Zhongyang Road ,Nanjing China

Relevant to this article

Ambruticins: tetrahydropyran ring formation and total synthesis

Doi:10.1039/d1ob00883h
(2021)
Degradation of 3-aryl-2-hydroxyiminopropionic acids into arylacetonitriles using 1,1'-carbonyldiimidazole or 2,2'-oxalyldi(o-sulfobenzimide)

Doi:10.1248/cpb.39.3030
(1991)
A single point chiral inversion that selforganizes a randomcoil peptide. Apolar solvent conformation of Boc-(L/D)-Glu-Ala-Leu-LysNHMe

Doi:10.1016/0040-4020(95)00047-C
(1995)
Turning on and off a pyridoxal 5'-phosphate mimic using light

Doi:10.1002/anie.201201447
(2012)
Molecular diversity of three-component reactions of N-benzylbenzimidazolium salts, isatin, and malononitrile or ethyl cyanoacetate

Doi:10.1002/ejoc.201200269
(2012)
Isoindole-BODIPY dyes as red to near-infrared fluorophores

Doi:10.1002/chem.201200398
(2012)

Article Doi