8-Aza-16-thiasteroids. Single-stage synthesis of 8-aza-16-thiagonane ABCD tetracycle by [2+4]-cyclocondensation of 3,4-dihydroisoquinolines with 3-acethylthiotetronic acid
Mv. Budnikova et al., 8-Aza-16-thiasteroids. Single-stage synthesis of 8-aza-16-thiagonane ABCD tetracycle by [2+4]-cyclocondensation of 3,4-dihydroisoquinolines with 3-acethylthiotetronic acid, RUSS J G CH, 69(6), 1999, pp. 1012-1013