A new route to 1,5-disubstituted 4-arylsulfonylpyrazoles by lithiation of 1-methyl-4-arylsulfonylpyrazoles

DOI: 10.1016/0040-4020(95)00540-O

Source and publish data:

Tetrahedron p. 9511 - 9518 (1995)

Update date:2022-08-05

Topics:: Authors:

Hoffmann, Michael G.

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

Article abstract of DOI:10.1016/0040-4020(95)00540-O

The arylsulfonylvinamidinium salts 1 reacted with hydrazine in refluxing ethanol to give rise to 4-arylsulfonylpyrazoles 2 in reasonable yield. Regioselective lithiation of N-methylpyrazoles 3 with LDA followed by treatment with various electrophiles affo

Full text of DOI:10.1016/0040-4020(95)00540-O

Products guided by the article

Product name:1-methyl-4-(phenylsulfonyl)pyrazole

Cas No:325829-81-0

R&D Labs maybe for 325829-81-0

Wuhan Shengmao Corp

website:http://www.shengmaochem.com

Contact:86-27-82853423, 82819281

Address:Rm 202, A Unit Huaqiao Building No. 2, Lihuangpi Road, Wuhan, China
Melone Pharmaceutical Co., ltd

Contact:+86-411 82593920, 82593631

Address:No 232, JInma Roda, Development Zone, Dalian, China
Aqua Chem Industry Co., Ltd

Contact:+86-515-88356562

Address:No.2, West Daqing Road, Yancheng, Jiangsu, China
Wuhan Fortuna Chemical Co.,Ltd

website:http://www.fortunachem.com

Contact:86-27-59207850

Address:Add: Room 2015, No.2 Building, Kaixin Mansion No.107 Jinqiao Avenue, Wuhan, China
Beijing Mashi Fine Chemical Co.,Ltd.

Contact:+86-10-61271592

Address:Room 506, Section B, Kaichi Mansion, Industrial Development

Relevant to this article

Palladium-catalyzed: Ortho -halogen-induced deoxygenative approach of alkyl aryl ketones to 2-vinylbenzoic acids

Doi:10.1039/d0cc02941f
(2020)
Synthesis of Nitro Esters of Prednisolone, New Compounds Combining Pharmacological Properties of Both Glucocorticoids and Nitric Oxide

Doi:10.1021/jm030964b
(2004)
Copper-Catalyzed Regio- and Stereoselective Iodocyanation and Dicyanation of Alkynes with Cyanogen Iodide

Doi:10.1021/acs.orglett.7b01378
(2017)
Synthesis and antioxidant activities of acetamidomethylsulfonyl bis heterocycles-oxazolyl/thiazolyl/imidazolyl-1,3,4-Oxadiazoles

Doi:10.1002/ardp.201300115
(2013)
Total synthesis of (+)-amphidinolide K [17]

Doi:10.1021/ja005644l
(2001)
Nonsolvent application of ionic liquids: Organo-catalysis by 1-alkyl-3-methylimidazolium cation based room-temperature ionic liquids for chemoselective N-tert-butyloxycarbonylation of amines and the influence of the C-2 hydrogen on catalytic efficiency

Doi:10.1021/jo201102q
(2011)

Article Doi

A new route to 1,5-disubstituted 4-arylsulfonylpyrazoles by lithiation of 1-methyl-4-arylsulfonylpyrazoles

DOI: 10.1016/0040-4020(95)00540-O

Source and publish data:

Authors:

Article abstract of DOI:10.1016/0040-4020(95)00540-O

Full text of DOI:10.1016/0040-4020(95)00540-O

Products guided by the article

R&D Labs maybe for 325829-81-0

Relevant to this article

Hot Product