Versuche zur Biotinsynthese. Herstellung von (3aS, 6aR)-1, 3-Dibenzyl-tetrahydro-4H-thieno[3, 4-d]imidazol-2,4(1H)-dion
作者:M. Gerecke、J.-P. Zimmermann、W. Aschwanden
DOI:10.1002/hlca.19700530514
日期:——
AbstractA modification of the biotin synthesis of Goldberg & Sternbach is described, enantiomers being separated in the first steps and wrong isomers recyclised. The conversion of the lactone 15 to the thiolactone 16 is done by a new method using potassium thioacetate in high boiling solvents.