Preparation of homochiral phenolic crown ether having chiral subunits derived from (1R,2S)-cis-1,2,3,4-tetrahydronaphthalene-1,2-diol: Temperature-dependent enantioselectivity in complexations with neutral amines

Article abstract of DOI:10.1016/S0957-4166(97)00282-6

Crown ether (S,R,R,S)-1 containing chiral subunits derived from (1R,2S)-cis-1,2,3,4-tetrahydronaphthalene-1,2-diol and the phenol moiety bearing the intra-annular OH group and the 2,4-dinitrophenylazo group at its para-position, have been prepared in enan