EXTENDED DIPOLAR CYCLOADDITION REACTIONS OF 3-DIAZOPYRAZOLES WITH ELECTRON RICH OLEFINS

DOI: 10.1016/S0040-4039(01)90273-4

Source and publish data:

Tetrahedron Letters p. 1199 - 1202 (1981)

Update date:2022-08-03

Topics:

Authors:

Padwa, Albert

Kumagai, Tsutomo

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

Article abstract of DOI:10.1016/S0040-4039(01)90273-4

3-Diazo-4-methyl-5-phenylpyrazole readily adds to electron rich olefins to give 1,7-cycloadducts.The mechanism of the reaction consists of an initial 1,3-dipolar cycloaddition followed by a subsequent rearrangement.

Full text of DOI:10.1016/S0040-4039(01)90273-4

Products guided by the article

Product name:10-Methyl-9-phenyl-3,4,5,6-tetrahydropyrazolo<5,1-c><1,2,4>benzotriazine

Cas No:78680-99-6

R&D Labs maybe for 78680-99-6

Nanjing lanbai chemical Co.,Ltd.

Contact:+86-25-85499326

Address:Room 908, 9F Taiyue Building,No.285 Heyan Road
Tianjin Crest Pharmaceutical R&D Co., Ltd. （Tianjin Yao Technology Development Co., Ltd.）(expird)

Contact:+86-22-66211386

Address:Building B5-405, No, 80 4th Avenue, TEDA, Tianjin, China P.R. 300457
Suzhou Ryan Pharmachem Technology Co.,Ltd

Contact:+86-0512-68780025

Address:B-301,No.2 Taishan Road,Suzhou New District,Jiangsu,P.R. China
Shanghai Kangxin Chemical Co., Ltd

Contact:+86 21 60717227

Address:118,Ganbai Village,Waigang Town,Jiading District,Shanghai
Qingdao Kingway Pharmtech Co., Ltd.

Contact:86-532-87118899

Address:No. 88, Middle Haixi Road, Jiaonan City, Qingdao, China

Relevant to this article

Reaction of (1S,6S)-1,7,7-Trimethyl-2,3-dimethylene-trans-bicyclo<4.4.0>decane with Thallium(III) Acetate; a New Route to (-)-Warburganal and (+)-Euryfuran

Doi:10.1039/P19870002137
(1987)
The synthesis of 3,4-disubstituted furan prostanoids

Doi:10.1016/S0040-4039(01)90423-X
(1981)
Stereoselective synthesis of functionalized trisubstituted olefins via palladium(0)-catalyzed cross-coupling reaction.

Doi:10.1021/ol016486l
(2001)
Synthesis of Unsymmetrical β-Enamino Ketones

Doi:10.1055/s-2003-41067
(2003)
Engineered transaminopeptidase, aminolysin-S for catalysis of peptide bond formation to give linear and cyclic dipeptides by one-pot reaction

Doi:10.1039/b914320c
(2010)
Reactions of [(PPh₃)₂Pt(η³-CH ₂CCPh)]⁺ with oxygen nucleophiles and chemistry of resultant [(PPH₃)₂Pt (η³-CH₂C(OR)CHPh)]⁺ complexes

Doi:10.1016/S0022-328X(02)01556-5
(2002)

Article Doi