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

Anhui Asahikasei Chemical Co., Ltd

Contact:86-551-4259770

Address:No. 88 Linquan Road Hefei Anhui China
Chengdu D-Innovation Pharmaceutical Co., Ltd

Contact:86-28-85105536

Address:1001, B6, No.88 Keyuan South Road, Chengdu Hi-Tech Zone
Xi'an caijing Opto-Electrical Science & Technology Co., LTD

Contact:+86-29-88294447

Address:NO.168 Zhangba Rd. East, Xi'an, P.R.China
Hybio Pharmaceutica Co.,Ltd

Contact:+86 755 26588093

Address:No.9 Linkong West Street, Hengdian Street, Huangpi District, Wuhan City, China.
Shandong Xinhua Pharmaceutical Co.,Ltd

website:http://www.xhzy.com

Contact:+86-533-2196801

Address:1 lutai road,zhangdian dis,Zibo City

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