FLUORESCENT COMPOUNDS AND USE OF SAID COMPOUNDS IN MULTIPHOTON METHODS OR DEVICES
申请人:Blanchard-Desce Mireille
公开号:US20090221819A1
公开(公告)日:2009-09-03
The invention relates to a chemical compound with an effective double photon absorbance section of greater than 50 GM, preferably greater than 100 GM, for at least one wavelength in the range 700-1200 nm, characterised in being made up of a core with double photon absorption properties connected by separate covalent bonds to at least two boron dipyrromethene type emitters of formula (—BDP) (I): where one of R
1
to R
7
represents a covalent bond to said core, the others being identical or different each representing a group from H, C
1
-C
25
alkyl, preferably C
1
-C
12
, (CH
2
)
m
—SO
3
M, (CH
2
)
m
NAlk
3
+
, (CH
2
)m-(OCH
2
—CH
2
)
p
—OH, where M=an alkaline metal and m=0 or a whole number from 1 to 12 inclusive, preferably between 1 and 6, p=a whole number between 1 and 25 inclusive, aryl, heteroaryl, arylethenyl or arylethynyl.
该发明涉及一种化合物,其有效双光子吸收截面大于50 GM,最好大于100 GM,适用于波长范围为700-1200纳米的至少一个波长,其特征在于由具有双光子吸收性质的核心通过独立的共价键连接至至少两个公式(-BDP)(I)的硼二吡咯烷基甲烯类型发射体,其中R1至R7中的一个表示与所述核心的共价键,其余的相同或不同,每个表示来自H,C1-C25烷基,最好是C1-C12,(CH2)m-SO3M,(CH2)mNAlk3+,(CH2)m-(OCH2-CH2)p-OH的基团,其中M=碱金属,m=0或1到12之间的整数,最好在1到6之间,p=1到25之间的整数,芳基,杂环芳基,芳基乙烯基或芳基乙炔基。