Alternate Syntheses Of Pyrromethanes And Porphyrins Using Acid-Modified Montmorillonite K-10 Clay
作者:Beverly A. Freeman、Kevin M. Smith
DOI:10.1080/00397919908086174
日期:1999.6
Abstract A variety of porphyrins and pyrromethanes are prepared using Montmorillonite clay mixed with a variety of acids (p-TsOH, BF3 Et2O).The ease of use of the naturally occurring clay as a co-catalyst makes it an attractive reagent for use in synthesis.