Journal of Organic Chemistry p. 7126 - 7133 (1992)
Update date:2022-08-04
Topics: Synthesis Oxidation IR spectroscopy Asymmetric synthesis Enantiomer Regioisomer Regioselectivity Lewis acid Yield NMR spectroscopy Catalyst Strecker synthesis Equilibrium Mass spectrometry Selectivity Hydrogenation Nucleophile Electrophile Heck reaction Solvent reflux Stereochemistry Reduction Enantioselectivity Steric hindrance Enantiomeric excess (ee) Deprotonation Rearrangement Chromatography Recrystallization Hydrolysis Esterification Baylis-Hillman reaction Nucleophilic substitution Cross-coupling Mitsunobu reaction Dipolarophile Kinetics Conformation Radical Diastereoselective Michael reaction Conjugate addition Bischler-Napieralski reaction Ullmann reaction TLC (thin-layer chromatography) Proton transfer Dehydrogenation Protecting group Lossen rearrangement
Shimada, Shigeru
Hashimoto, Yukihiko
Sudo, Atsushi
Hasegawa, Masaki
Saigo, Kazuhiko
The Lewis-acid promoted reactions of 2,2-dialkoxycyclopropanecarboxylic esters 4a-c with aldehydes and unsymmetrical ketones to give γ-lactones were investigated.TiBr4 is an excellent catalyst and gives cis 3,4-substituted γ-lactones in good yields with h
View Moreshanghai hekang chemical co.ltd
Contact:021-54173790
Address:328 WuHe Road, Building #A, 2nd Floor, Minhang, Shanghai 201109, China
Shanghai agrotree chemical co.,ltd.
Contact:+86-21-50117563
Address:Room 8A,liangfeng building,No.8 dongfang RD.pudong,shanghai,China
Kunshan Yalong Trading Co,.Ltd
Contact:86-512-57621185
Address:805-807 Room Hongqiao Mansion ,1088 West Qianjin Road, Kunshan, Jiangsu，China
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
Shanghai Micro-mega Industry Co., Ltd.
Contact:0086-21-34628682;57153848
Address:Rm413,No.413,West Meilong Road, Minhang District,Shanghai P R China
Doi:10.1016/j.dyepig.2014.11.023
(2015)Doi:10.1039/c3cc43180k
(2013)Doi:10.1002/ejic.201300084
(2013)Doi:10.1021/jo401189x
(2013)Doi:10.1021/ja406169s
(2013)Doi:10.1002/anie.201300137
(2013)
