A series of ethyl 6-alkoxy-7-phenyl-4-hydroxy-3-quinolinecarboxylates were designed and synthesized.Their structures were confirmed by ~1H NMR,~(13)C NMR,IR and
Two new 19-oxygenated ent-kaurane diterpenoids,pharicinins D and E(1 and 2),together with an artifact,pharicinin D acetal (3) were isolated from the leaves of I
A series of new 6,7-disubstituted-4-(benzothiazol-6-ylamino)quinoline-3-carbonitrile derivatives(12a-l) were synthesized.The cytotoxicity of 12 new compounds wa
Suzuki reaction of bromoallenes with arylboronic acids was successfully performed by using an air-stable hemilabile P-O coordinated cyclopalladated complex Pd(P
A simple and efficient procedure for the synthesis of 2-arylquinazolin-4(3H)-ones has been developed through cyclocondensation of 2-aminobenzamide with aromatic a