Four diets contained 2 mg/kg(group A),4 mg/kg(group B),6 mg/kg(group C),and 0 mg/kg(control group)phenyl-benzopyran were fed to 4 groups of Chinese mitten crab(Eriocheir sinensis)for 10 days,each group included 2 repeats and each repeat had 15 Chinese mitten crabs.

Synthesis and Vasorelaxant Activity of Trans-3-hydroxy-4-aminobenzopyran Acetylated Derivatives as K~+ Channel Openers;

Synthesis of cis- and trans-2,4,7-Triaryl-5-oxo-4H-5,6,7,8-tetrahydrobenzopyrans;

Synthesis and Crystal Structure of Ethyl 2-amino-7,7-dimethyl-4-(4′-fluorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-benzopyran-2-carboxylate in Water;

The convenient synthesis of a natural chromene;

Non-catalytic Synthesis of 2-Amimo-3-cyano- 7,7-dimethyl-4-aryl-5-oxo-5,6,7,8- tetra-4H-chromenes;