| 摘要 |
1339667 Macrocyclic compounds E I DU PONT DE NEMOURS & CO 12 May 1971 [12 May 1970] 14501/71 Heading C2C The invention comprises macrocyclic compounds containing at least one macrocyclic ring of carbon atoms and nitrogen and oxygen hetero atoms totalling 14-60 ring atoms, at least one hetero atom being nitrogen and at least one hetero atom being oxygen, each hetero atom in the ring being separated from adjoining hetero atoms by 2 or 3 carbon atoms, and the macrocyclic ring being fused to 1-4 carbocyclic rings which are optionally saturated or partially saturated phenylene, naphthylene, phenanthrylene or anthrylene rings. The compounds may be prepared from carbocyclic amines or hydroxy compounds by ring closure. Substituents may be introduced on to the ring, and linkages may be introduced across rings. |
