Ethyl 3-(2-furyl)pyrazole-5-carboxylate

Modify Date: 2025-08-25 13:12:19

Ethyl 3-(2-furyl)pyrazole-5-carboxylate Structure
Ethyl 3-(2-furyl)pyrazole-5-carboxylate structure
Common Name Ethyl 3-(2-furyl)pyrazole-5-carboxylate
CAS Number 33545-44-7 Molecular Weight 206.19800
Density 1.263g/cm3 Boiling Point 403.1ºC at 760mmHg
Molecular Formula C10H10N2O3 Melting Point 135-137ºC
MSDS N/A Flash Point 197.6ºC

 Names

Name Ethyl 3-(2-furyl)-1H-pyrazole-5-carboxylate,
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.263g/cm3
Boiling Point 403.1ºC at 760mmHg
Melting Point 135-137ºC
Molecular Formula C10H10N2O3
Molecular Weight 206.19800
Flash Point 197.6ºC
Exact Mass 206.06900
PSA 68.12000
LogP 1.84640
Index of Refraction 1.545

 Synthetic Route

~69%

Ethyl 3-(2-furyl)pyrazole-5-carboxylate Structure

Ethyl 3-(2-fury...

CAS#:33545-44-7

Literature: Shao, Nana; Chen, Tong; Zhang, Taotao; Zhu, Huajian; Zheng, Qunxiong; Zou, Hongbin Tetrahedron, 2014 , vol. 70, # 4 p. 795 - 799

~76%

Ethyl 3-(2-furyl)pyrazole-5-carboxylate Structure

Ethyl 3-(2-fury...

CAS#:33545-44-7

Literature: Fustero, Santos; Roman, Raquel; Asensio, Amparo; Maestro, Miguel A.; Acena, Jose L.; Simon-Fuentes, Antonio European Journal of Organic Chemistry, 2013 , # 31 p. 7164 - 7174

~80%

Ethyl 3-(2-furyl)pyrazole-5-carboxylate Structure

Ethyl 3-(2-fury...

CAS#:33545-44-7

Literature: Flores, Alex F. C.; Brondani, Sergio; Pizzuti, Lucas; Martins, Marcos A. P.; Zanatta, Nilo; Bonacorso, Helio G.; Flores, Darlene C. Synthesis, 2005 , # 16 art. no. M02405SS, p. 2744 - 2750

~%

Ethyl 3-(2-furyl)pyrazole-5-carboxylate Structure

Ethyl 3-(2-fury...

CAS#:33545-44-7

Literature: Saikachi,H.; Kitagawa,T. Chemical and Pharmaceutical Bulletin, 1971 , vol. 19, p. 1562 - 1566

 Synonyms

3-Fluoren-9-yl-propionsaeure-aethylester
9H-Fluorene-9-propanoic acid,ethyl ester
Ethyl 3-(2-furyl)-1H-pyrazole-5-carboxylate
3-fluoren-9-yl-propionic acid ethyl ester
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