4-(Arylsulfonyl)glycals in Synthesis. Cation-Mediated Synthesis of 2,6-Disubstituted Dihydropyrans
作者:Jennifer M. Bailey
DOI:10.1055/s-1999-2540
日期:1999.1
Trifluoromethanesulfonic Acid, an Efficient Catalyst for the Hetero Diels-Alder Reaction and an Improved Synthesis of Mefrosol.
作者:Varinder K Aggarwal、Graham P Vennall、Paul N Davey、Chris Newman
DOI:10.1016/s0040-4039(97)00403-6
日期:1997.4
Trifluoromethanesulfonic (triflic) acid (1 mol%) has been found to be an efficient catalyst for the hetero Diels-Alder reaction between aromatic aldehydes and unactivated dienes. (C) 1997 Elsevier Science Ltd.