Reactions of cephalosporin sulphones 1. Rearrangement of the β-lactam ring to a triazole derivative

DOI: 10.1016/S0040-4039(98)00358-X

Source and publish data:

Tetrahedron Letters p. 3061 - 3064 (1998)

Update date:2022-08-11

Topics:

Authors:

Gunda, Tamas E.

Tamas, Laszlo

Salyi, Szabolcs

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

Article abstract of DOI:10.1016/S0040-4039(98)00358-X

The 7β-amino-cephalosporin sulphones, generated in situ from the appropriate 7β-tBoc-amino derivative and diazotized in a one-pot reaction in aq. HClO₄ - MeOH - NaNO₂, rearrange exclusively to the triazoles 5 in a multistep reaction.

Full text of DOI:10.1016/S0040-4039(98)00358-X

Products guided by the article

Product name:1-(4-Bromophenyl)-2-hydroxyethan-1-one

Cas No:3343-45-1

R&D Labs maybe for 3343-45-1

Changzhou Ansciep Chemical Co.,Ltd.

Contact:+86 519 8630 5871

Address:A-710 Boan International, 8 East Guangdian Road,Wujin,Changzhou
Improve Medical Technology(Nanxiong) Co., Ltd

Contact:86-751-3836997

Address:No.33, Pingan First Road, Fine Chemical Industry Base, Nanxiong City, Shaoguan, Guangdong, China
Shochem(Shanghai) Co., Ltd

website:http://www.shochem.com

Contact:021-50800795

Address:No.1043, Halei Rd, Zhangjiang Hi-Tech Park, Shanghai, Postcode 201203, China
Shifang Taifeng New Flame Retardant Co., Ltd

Contact:02884721008

Address:tingjiang industrial park, hefeng town
Tianjin Realet Chemical Technology Co.,Ltd.

website:http://www.realetchem.com

Contact:+86-022-58788819

Address:shuanggang industrial park

Relevant to this article

Chemical conjugation of an mRNA cap analogue with a cell-penetrating peptide as a potential membrane permeable translation inhibitor

Doi:10.1016/j.tetlet.2013.11.069
(2014)
Kinetic Investigation of the <*> + H -> CH(X²II) + H2 Reaction in the Temperature Range 400 K < T < 1000 K

Doi:10.1021/j100046a022
(1995)
Cis-epoxides via Sharpless' Asymmetric Dihydroxylation Reaction: Synthesis of (+)-Disparlure

Doi:10.1016/S0040-4039(00)73251-5
(1994)
Doi:10.1038/sj.bjp.0704696
(1902)
INTERMEDIATES IN THE DECOMPOSITION OF ALIPHATIC DIAZO-COMPOUNDS. PART 20. KINETIC STUDIES ON REDUCTIVELY INITIATED ELECTRON TRANSFER CHAIN CATALYSIS OF THE DECOMPOSITION OF 9-DIAZOFLUORENE

Doi:10.1039/P29840001531
(1984)
Identification of a Chemical Probe for Family VIII Bromodomains through Optimization of a Fragment Hit

Doi:10.1021/acs.jmedchem.6b00012
(2016)

Article Doi