Dshl. Kim et F. Freeman, ENETHIOL ASSISTED [3,4]-SIGMATROPIC AND [3,5]-SIGMATROPIC REARRANGEMENTS DURING THIONATION OF 2,3-DIAROYLBICYCLO[2.2.1]HEPTA-5-ENES WITH BORON SULFIDE, Tetrahedron letters, 38(5), 1997, pp. 799-802
Thionation reaction of 2,3-diaroylbicyclo[2.2.1]hepta-5-enes using in
situ generated B2S3 (bis-trialkyltin sulfide or bis-trimethylsilyl sul
fide reacted with BCl3 in toluene) gave [3,4] and [3,5] sigmatropic re
arrangement products. (C) 1997, Elsevier Science Ltd.