邻苯二甲酸酐

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二甲起始原料，四步工序合成马吲哚，总收率23．4％。

Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.

以邻苯二甲原料,硝化、脱水、肼化、还原等步骤合成了3-氨基邻苯二甲酰肼。