abstract |
(57) [Summary] (Corrected) [Constitution] Formula (A) or (B) [R 1, R 2, R B is H, lower alkyl group, R 3 is a lower alkyl group, R A is a group -CH 2 -C (R 9) = CHR 8 Alternatively, R 9 representing R 11 represents a phenyl group or a cycloalkyl group, and R 11 represents a pyridinium lower alkanoylamino lower alkyl group or a piperidinyl lower alkanoylamino lower alkyl group. ] [R 1 , R 2 and R 3 are the same as defined above. R 4 is a phenyl lower alkyl group, a cycloalkyl lower alkyl group, the same or lower alkyl group as the above R 11, and R B is a group = N—R 13 or a group -N = CH-R 13 (R 13 is C 7 ~ A lower alkyl group of C 10 is shown). ] 2,3-dihydro-1H-indene derivative of [Effect] The 2,3-dihydro-1H-indene derivative is It is useful as a synthetic intermediate for medicines such as hypoxia improving agents and antioxidants. |