[EN] FUNCTIONALISING DIACETYLENE COMPOUNDS<br/>[FR] FONCTIONNALISATION DE COMPOSÉS DIACÉTYLÈNE
申请人:DATALASE LTD
公开号:WO2020030931A1
公开(公告)日:2020-02-13
The invention relates to a method of functionalising a diacetylene compound of formula (II) to form a diacetylene compound of formula (I): wherein x is from 1 to 20; Q is selected from an amide having the formula (IV) and an ester having the formula (V) wherein R1 and R2 are each independently selected from hydrogen, a -(CH2)y-CH3 linear alkyl chain, a C1-20 alkene group, a C5-20 aryl group, a C1-20 alkoxy group, a hydroxyl C1-20 alkoxy group, a heteroaryl ring, a C3-18 cycloalkyl group, and (CH2)Z-E-P, and R3 is selected from a C1-20 alkyl group, a C1-20 alkene group, a C5-20 aryl group, a C1-20 alkoxy group, a hydroxyl C1-20 alkoxy group, a heteroaryl ring, a C3-18 cycloalkyl group, and (CH2)Z-E- P, and y is selected from 1 to 20, z is selected from 0 to 10, E may be present or absent, and when present, E is selected from NH, O, and CH2, and P is a protecting group; and T is selected from hydrogen, a -(CH2)y-CH3 linear alkyl chain, and - (CH2)X-Q wherein x, y and Q are as defined for formula (I); comprising the steps of reacting a diacetylene compound of formula (II) and a compound of formula (III): (II) (III) wherein T is selected from hydrogen, a -(CH2)y-CH3 linear alkyl chain, and - (CH2)x-COOH wherein x and y are as defined for formula (I); and L' is selected from NR1R2 and OR3 wherein R1, R2 and R3 are as defined for Q in formula (I); in the presence of a coupling reagent and optionally, a catalyst or base.
本发明涉及一种将式(II)的二乙炔化合物官能化为式(I)的二乙炔化合物的方法:
其中x为1至20;Q选自具有式(IV)的酰胺和具有式(V)的酯,其中R1和R2各自独立地选自氢、-(CH2)y-CH3线性烷基链、C1-20烯基基团、C5-20芳基基团、C1-20烷氧基、羟基C1-20烷氧基、杂环基、C3-18环烷基和(CH2)Z-E-P,R3选自C1-20烷基、C1-20烯基基团、C5-20芳基基团、C1-20烷氧基、羟基C1-20烷氧基、杂环基、C3-18环烷基和(CH2)Z-E-P,y选自1至20,z选自0至10,E可以存在或不存在,当存在时,E选自NH、O和CH2,P是保护基;T选自氢、-(CH2)y-CH3线性烷基链和-(CH2)X-Q,其中x、y和Q如式(I)所定义;包括在偶联试剂和可选的催化剂或碱的存在下,反应式(II)的二乙炔化合物和式(III)的化合物:
(II)(III)
其中T选自氢、-(CH2)y-CH3线性烷基链和-(CH2)x-COOH,其中x和y如式(I)所定义;L'选自NR1R2和OR3,其中R1、R2和R3如式(I)中的Q所定义。