Tosyloxylactonization of alkenoic acids with [hydroxy(tosyloxy)iodo] benzene
作者:Mayur Shah、Michael J Taschner、Gerald F Koser、Nancy L Rach
DOI:10.1016/s0040-4039(00)85002-9
日期:——
[Hydroxy(tosyloxy)iodo]benzene() reacts with 3-butenoic, 4-pentenoic, 5- hexenoic and 2-methyl-4-pentenoic acids in CH2Cl2 to give tosyloxylactones and with -3- hexenoic and 2-cyclopenteneacetic acids to give unsaturated lactones. 5 -Norbornene--2- carboxylic acid with gives a rearranged lactone while 5-norbornene--2.3-dicarboxylic acid gives a -lactone.
Rapid Sulfonyloxylactonization of Alkenoic Acids Under Microwave and Ultrasound Irradiation
作者:Liumian Gao、Li Li、Min Zhu
DOI:10.1080/15533174.2011.591326
日期:2011.9.1
Fast and convenient reactions were investigated under microwave and ultrasound irradiation, providing simple methods for sulfonyloxylactonization of alkenoic acids in good yields in a short time.
SHAH MAYUR; TASCHNER M. J.; KOSER G. F.; RACH N. L., TETRAHEDRON LETT., 27,(1986) N 38, 4557-4560
作者:SHAH MAYUR、 TASCHNER M. J.、 KOSER G. F.、 RACH N. L.