| abstract |
An organic nonlinear optical substance having the formulan n wherein R 1 represents -H or -CH 3 ; n is 0, 1, or 2; A represents Z 1 -Ar,n wherein Ar represents a 6 -14 membered aromatic group including a heterocyclic ring or bisphenylene type ring; Z 1 represents H-, R 5 R 6 N-, R 7 0-, R 8 S-, NC-, R 9 0CO-, R 10 COO-, O 2 N-, R 11 R 12 NOC, R 13 CO(R 14 )N-, or R 15 ; Z2, Z 3 , and Z4 independently represent H-, a C 1 -C 8 alkyl-, R 16 0-, R 17 R 18 N, R 19 S-, 0 2 N-, or two R 16 being, in combination, R 20 CH ; R 2 represents H- or a Ci-C 12 alkyl; R 5 to R 20 independently represent H-, or a C 1 -C 10 hydrocarbon residue; Z 5 independently represents H-, a C 1 -C 8 saturated hydrocarbon residue, 0 2N -, R 21 O-, R 22 S-, NC-, or R23R24N- wherein R 21 to R24 independently represent H or a C 1 -C 8 saturated hydrocarbon residue; X represents -S-, -0-, or > NR 28 ; r is 0 or an integer of 1 to 3; and R 28 represents H or a hydrocarbon group having 1 to 8 carbon atoms; B represents -OH-Amine* where Amine * represents an optically active amine; -OR 3 where R 3 represents a C 12 -C 25 linear hydrocarbon residue; -NR 4 Y where R 4 represents -H or a single bond; Y represents (̵CH 2 )̵ P CQ 1 Q 2 Q 3 where p is 0 or 1; Q 1 , Q 2 , and Q 3 are different and represent -H, a C 1 -C 5 alkyl, phenyl, naphthyl, -OH, -CH 2 0H, -COOR 25 , -CNR 26 R 27 , a residue of an a-amino acid from which an amino group is removed, where to independently represent -H or -C 1 -C 8 hydrocarbon residue; or -CQ 4 Q 5 Q 6 where Q 4 , Q 5 and Q 6 are different and Q 4 and Q 5 are as defined for Q 1 , Q 2 and Q 3 and Q 6 represent (̵CH 2 )̵ q of which one bond is linked to the bond of R 4 where q an integer of 1 to 4. |