5-Hydroxy-4,5-Dihydropyrazoles

DOI: 10.1016/0040-4020(95)00672-U

Source and publish data:

Tetrahedron p. 11251 - 11256 (1995)

Update date:2022-08-03

Topics:

Authors:

Zelenin, Kirill N.

Alekseyev, Valery V.

Tygysheva, Alja R.

Yakimovitch, Stanislav I.

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

Article abstract of DOI:10.1016/0040-4020(95)00672-U

The use of β-diketones with strong electron-withdrawing substituents in reaction with hydrazine and its monosubstituted derivatives leads to the stable intermediates of pyrazole synthesis - 5-hydroxy-4,5-dihydropyrazoles or their open chain isomers.

Full text of DOI:10.1016/0040-4020(95)00672-U

Products guided by the article

Product name:3-methyl-5-(4-nitrophenyl)pyrazole

Cas No:94487-88-4

R&D Labs maybe for 94487-88-4

Beijing Mediking Biopharm Co., Ltd.

Contact:+86-10-89753524/81760121/81769521

Address:Hongxianghong Incubator, Beiqijia Town, Changping district, Beijing, China
Chengdu King-tiger Pharm-chem. Tech. Co., Ltd

Contact:028-85317716

Address:Tianfu Life Science Park, No. 88 South Keyuan Road, Gaoxin District, Chengdu City, Sichuan Province, PRC.
Jinan Hongfangde Pharmatech Co.,Ltd

Contact:86-531-88870908

Address:F Bldg. West Unit North Area of Univ. Tech. Garden Xinyu Rd. Jinan New & High Tech Industry Development Zone Shandong, China
Jinan Decheng Hemu Medical Technology Co.，Ltd.

Contact:+86-531-68650525

Address:NO.554 Zhengfeng Road High-new Technology Development Zone
LINYI FUDE FINE CHEMICAL CO.,LTD

Contact:86-539-2361184

Address:YISHUI, LINYI,SAHNDONG,CHINA

Relevant to this article

CONFIGURATIONALLY AND CONFORMATIONALLY HOMOGENEOUS ARYL-cis-1-THIADECALINS

Doi:10.1007/BF00506959
(1984)
Iron-Catalyzed Vinylic C?H Alkylation with Alkyl Peroxides

Doi:10.1002/asia.201800534
(2018)
Pd(0) catalyzed three-five-component C-2-arylallylation of active methylene heterocycles: pyrazolones, oxazolones, isoxazolones and N,N′-dimethylbarbituric acid

Doi:10.1016/j.tet.2007.04.090
(2007)
Synthesis, optical properties, and crystal structure of 1,4-dipropyltetracene

Doi:10.1002/ejoc.201000112
(2010)
Facile and simple synthesis of pyrimido[4,5-d]pyrimidinones and pyrano[2,3-d]pyrimidinones catalyzed by nano-sized NS-C₄(DABCO-SO₃H)₂·4Cl

Doi:10.1007/s13738-017-1074-4
(2017)
Stereochemical control of H₂O₂ dismutation by Hangman porphyrins

Doi:10.1039/b616884a
(2007)

Article Doi