A new class of D-heteroergolines: total synthesis and resolution of a 9-oxaergoline, 4,6,6a,8,9,10a-hexahydro-7-ethyl-7H-indolo[3,4-gh][1,4]benzoxazine
A new class of D-heteroergolines: total synthesis and resolution of a 9-oxaergoline, 4,6,6a,8,9,10a-hexahydro-7-ethyl-7H-indolo[3,4-gh][1,4]benzoxazine