TY - JOUR T1 - Trifluoromethanesulfonic Acid, an Efficient Catalyst for the Hetero Diels-Alder Reaction and an Improved Synthesis of Mefrosol. JO - Tetrahedron Letters PY - 1997/04/07 AU - Aggarwal VK AU - Vennall GP AU - Davey PN AU - Newman C ED - DO - DOI: 10.1016/s0040-4039(97)00403-6 PB - Elsevier BV VL - 38 IS - 14 SP - 2569 EP - 2572 Y2 - 2025/07/05 ER -