| 摘要 |
<p>Lysergic acid derivs. and intermediates (I) are prepd. by the method descrbed in Fr 1,599,772 but starting from (A) and (B) instead of methyl 6-methyl nicotinate and 5-bromo isatin: (where X and X' H or halogen (same or different); R is ester-forming gp, R1 is alkyl, cycloalkyl, aryl, aminoalkyl, or amido, R2 is aliphatic, aromatic or heterocyclic gp. and R3 is alkyl).</p> |
