Unambiguous synthesis of 1-methyl-3-hydroxypyrazoles

DOI: 10.1016/S0040-4020(98)00579-1

Source and publish data:

Tetrahedron p. 9393 - 9400 (1998)

Update date:2022-09-26

Topics:

Authors:

Zimmermann, Diane

Krogsgaard-Larsen, Povl

Ehrhardt, Jean-Daniel

Madsen, Ulf

Janin, Yves L.

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

Article abstract of DOI:10.1016/S0040-4020(98)00579-1

2,3-Dihydropyrazolo[3,2-b]oxazoles were used as intermediates in a new method for preparation of N1-methyl-3-hydroxypyrazoles. Synthesis of this bicyclic system was achieved either by alkylation of 3-hydroxypyrazole with 1,2-dibromoethane or, with better

Full text of DOI:10.1016/S0040-4020(98)00579-1

Products guided by the article

Product name:2-(2-hydroxyethyl)-5-phenyl-1-tosylpyrazole-3-one

Cas No:212247-76-2

R&D Labs maybe for 212247-76-2

Changsha Goomoo Chemical Technology Co.Ltd

Contact:+86-731-82197655

Address:No.649,Chezhan Rd.(N),Changsha,Hunan,China
Taimai Sanluck Pharmaceutical Co.,Ltd

Contact:86-592-7662921

Address:8D,No.186,Huarong Road,Huli,Xiamen,China
Tianjin Ingenochem Technology Co.,Ltd

Contact:+86-22-23677060

Address:Hitech Green Industry Park K2-9-602, Nankai district
ZHIJIANG ZENVA SINO COMMERCE AND TRADE CO., LTD.

website:http://www.zenvasino.com

Contact:+86-138-72658998

Address:Shibeishan Road,Zhijiang, Hubei, China
Shenzhen Sungening Medicine Co., Ltd

Contact:+86-871-65110906

Address:Room702, Building 2, 365 Dianchi Road, Kunming, Yunnan Province, P.R. China

Relevant to this article

Thiocarbonyl Surrogate via Combination of Potassium Sulfide and Chloroform for Dithiocarbamate Construction

Doi:10.1021/acs.orglett.9b02784
(2019)
Study of the cyclodextrin and its complexation with 2,4-dinitrobenzoic acid through photophysical properties and 2D NMR spectroscopy

Doi:10.1016/j.molstruc.2013.11.048
(2014)
Formation and fac-mer isomerization of cationic phosphenium transition metal complexes formulated as (M=Cr, Mo, W) and (M=Mo, W)

Doi:10.1016/0022-328X(94)87055-1
(1994)
Anomalous Enantioselectivity in the Sharpless Catalytic Asymmetric Dihydroxylation Reaction of 1,1-Disubstituted Allyl Alcohol Derivatives

Doi:10.1016/0040-4039(94)85071-2
(1994)
The Reactions of α-Alkoxy-Substituted Styrenes with Dimethyl Acetylenedicarboxylate and Dimethyl Fumarate Novel Adducts in the Reaction with Dimethyl Fumarate

Doi:10.1246/bcsj.67.599
(1994)
Synthesis, Structure, and Thermolysis of a 1,5-Dioxa-4λ⁵-phosphaspiro<3.3>heptane: A Novel Pentacoordinate 1,2-Oxaphosphetane

Doi:10.1021/ja00089a063
(1994)

Article Doi