申请人:The United States of America as represented by the Secretary of the Air
公开号:US06100405A1
公开(公告)日:2000-08-08
There are provided asymmetrical two-photon chromophores of the formula: D--Ar--A wherein Ar is selected from the group consisting of ##STR1## wherein Fl is a fluorene group of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are alkyl groups having 2 to 20 carbon atoms, and wherein R.sub.1 and R.sub.2 are the same or different; wherein D is ##STR3## wherein Q is selected from the group consisting of --H, --OH and --O--C.sub.x H.sub.2x+1, wherein x has a value of 1 to 10; and wherein A is selected from the group consisting of ##STR4## wherein Z is selected from the group consisting of --O-- and --S--.
提供了公式为D--Ar--A的非对称双光子色团,其中Ar选自以下组:##STR1##其中Fl是式子:##STR2##其中R.sub.1和R.sub.2是具有2到20个碳原子的烷基基团,且R.sub.1和R.sub.2相同或不同;其中D是##STR3##其中Q选自以下组:--H,--OH和--O--C.sub.x H.sub.2x+1,其中x的值为1到10;并且A选自以下组:##STR4##其中Z选自以下组:--O--和--S--。