Research on Chemical Intermediates p. 4097 - 4107 (2016)
Update date:2022-08-30
Topics:
Rezayati, Sobhan
Sheikholeslami-Farahani, Fatemeh
Rostami-Charati, Faramarz
Abad, Saeid Afshari Sharif
Pechmann condensation reaction of 3-hydroxyphenol and ethyl acetoacetate in the presence of 1,1′‐butylenebispyridinium hydrogen sulfate as an efficient, green, and recyclable catalyst produces 7-hydroxy-4-methylcoumarin in good yield under solvent-free conditions at room temperature. This catalyst has advantages such as the following: good to excellent yields, short reaction times, simplicity in operation, and easy workup procedure.
View MoreContact:0086-27-83607103/83642615
Address:No.498, Jianshe Ave, Wuhan, China
Zhejiang Sucon Silicone Co.,Ltd
Contact:+86-575-88046692
Address:Qisheng Rd., Paojiang Industrial Zone, Shaoxing, Zhejiang, China.
Taizhou Shengxing Chempharm Co.,Ltd
Contact:+86-576-88516600
Address:Yantou Chemical Zone Jiaojiang Taizhou Zhejiang China
WEIFANG RICHEM INTERNATIONAL LTD
Contact:86-536-2222176
Address:weifang,shandong
Anhui New Star Pharmaceutical Development Co., Ltd
Contact:013956922763
Address:Floor 3, F9A, F Workshop, No.110 Kexue Road, High-Tech Development Zone, Hefei, Anhui ,China
Doi:10.1021/acs.joc.8b01685
(2019)Doi:10.1002/asia.201900907
(2019)Doi:10.1021/ja01239a046
(1944)Doi:10.1016/S0022-328X(00)82696-0
(1982)Doi:10.1246/bcsj.67.2949
(1994)Doi:10.1021/acs.jmedchem.8b00360
(2018)