| 摘要 |
Compounds of formula (1) wherein the R1 groups independently are hydrogen, lower alkyl of 1 to 6 carbons, or two geminal R1 groups jointly represent an oxo (=O) or a thio (=S) group; R2 is hydrogen or lower alkyl of 1 to 6 carbons, or halogen; M is or -N=CR4- or -R4C=N- where R4 is hydrogen or lower alkyl of 1 - 6 carbons; X is C(R1)2, O, S, or NR1; Y is a phenyl group, or heteroaryl selected from a group consisting of pyridyl, thienyl, furyl, pyridazinyl, pirimidinyl, pyrazinyl, thiazolyl, imidazolyl and oxazolyl, said phenyl group or said heteroaryl groups being optionally substituted with an R3 group which is lower alkyl of 1 to 6 carbons or halogen; A is (CH2)n where n is 0-5, lower branched chain alkyl having 3-6 carbons, cycloalkyl having 3-6 carbons, alkenyl having 2-6 carbons and 1 or 2 double bonds, alkynyl having 2-6 carbons and 1 or 2 triple bonds; B is hydrogen, COOH or a pharmaceutically acceptable salt thereof, COOR8, CONR9R10, -CH2OH, CH2OR11, CH2OCOR11, CHO, CH(OR12)2, CHOR13O, -COR7, CR7(OR12)2, or CR7OR13O, where R7 is an alkyl, cycloalkyl or alkenyl group containing 1 to 5 carbons, R8 is an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, or R8 is phenyl or lower alkylphenyl, R9 and R10 independently are hydrogen, an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5-10 carbons, or phenyl or lower alkylphenyl, R11 is lower alkyl, phenyl or lower alkylphenyl, R12 is lower alkyl, and R13 is divalent alkyl radical of 2-5 carbons have retinoid-like biological activity. |
