申请人:Ciba-Geigy Corporation
公开号:US04981962A1
公开(公告)日:1991-01-01
Substituted tetrathiotetracenes and tetraselenotetracenes of the formula I ##STR1## in which Z is --S-- or --Se-- and (a) R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are H and R.sup.5 to R.sup.8 are each H and at least one of the radicals R.sup.5 to R.sup.8 independently of one another is a substituent belonging to the group comprising C.sub.1 -C.sub.20 alkyl--X--.sub.p which is unsubstituted or substituted by halogen, --CN, --CONR.sup.9 R.sup.10, --OR.sup.9, --SR.sup.9 or --COOR.sup.9, with the exception of C.sub.1 -C.sub.4 alkyl and methoxy, C.sub.2 -C.sub.18 alkenyl--X--.sub.p, C.sub.2 -C.sub.18 -alkynyl--X--.sub.p, C.sub.3 -C.sub.8 cycloalkyl--X--.sub.p, (C.sub.1 -C.sub.12 alkyl)--C.sub.3 -C.sub.8 cycloalkyl--X--.sub.p, C.sub.3 -C.sub.8 cycloalkyl-C.sub.r H.sub.2r --X--.sub.p, (C.sub.1 -C.sub.12 alkyl)-C.sub.3 -C.sub.8 -cyclo alkyl-C.sub.r H.sub.2r --X--.sub.p, phenyl--X--.sub.p, (C.sub.1 -C.sub.12)alkyl)-phenyl--X--, phenyl-C.sub.r H.sub. 2r --X--.sub.p and (C.sub.1 -C.sub.12 alkyl)-phenyl-C.sub.r H.sub.2r --X--.sub.p, r is 1 or 2 and p is 0 or 1 and X is --O--, --S--, --SO-- or --SO.sub.2 --, or R.sup.5 to R.sup.8 independently are a substituent belonging to the group comprising --Br, --CF.sub.3, --CN, --Si(C.sub.1 -C.sub.4 alkyl).sub.3, --S--(C.sub.m H.sub.2m O)--.sub.n R.sup.11 or --O--C.sub.m H.sub.2m --O--R.sup.11, or each one of R.sup.5 to R.sup.8 is --F or --Cl and at least one further member of R.sup.5 to R.sup.8 is a substituent of the groups defined above, including C.sub.1 -C.sub.4 alkyl and methoxy, R.sup.9 and R.sup.10 independently of one another are H, C.sub.1 -C.sub.12 alkyl, phenyl or --C.sub.m H.sub.2m --O--.sub.q R.sup.11, or R.sup.9 and R.sup.10 together are tetramethylene, pentamethylene, 3-oxapentylene or --CH.sub.2 CH.sub.2 NR.sup.9 CH.sub.2 CH.sub.2 --, R.sup.11 is H or C.sub.1 -C.sub.12 -alkyl, m is a number from 2 to 4, n is a number from 2 to 20 and q is a number from 1 to 20, or b) R.sup.1 to R.sup.8 independently of one another are H or one of the substituents defined above, including C.sub.1 -C.sub.4 alkyl and methoxy, or --COOR.sup.9 or --CONR.sup.9 R.sup.10 or two pairs of adjacent radicals of R.sup.1 to R.sup.8 are --CO--O--CO-- or --CO--NR.sup.9 --CO--, and at least one of R.sup.1 to R.sup.4 and also R.sup.5 to R.sup.8 is a substituent, with the exception of R.sup.2, R.sup.3, R.sup.6 and R.sup.7 when these are --F and methyl, and where R.sup.9 and R.sup.10 are as defined above. With electron acceptors they form charge-transfer complexes which can be used as organic electrical conductors, displays, optical switches and sensors.
公式I中,替代四硫代四茚烯和四硒代四茚烯的化合物,其中Z是--S--或--Se--,(a) R.sup.1,R.sup.2,R.sup.3和R.sup.4是H,而R.sup.5到R.sup.8都是H,至少一个基团R.sup.5到R.sup.8独立于其他基团,属于包括C.sub.1-C.sub.20烷基--X--.sub.p的基团,该基团未被卤素,--CN,--CONR.sup.9 R.sup.10,--OR.sup.9,--SR.sup.9或--COOR.sup.9取代,但不包括C.sub.1-C.sub.4烷基和甲氧基,C.sub.2-C.sub.18烯基--X--.sub.p,C.sub.2-C.sub.18炔基--X--.sub.p,C.sub.3-C.sub.8环烷基--X--.sub.p,(C.sub.1-C.sub.12烷基)--C.sub.3-C.sub.8环烷基--X--.sub.p,C.sub.3-C.sub.8环烷基-C.sub.r H.sub.2r --X--.sub.p,(C.sub.1-C.sub.12烷基)-C.sub.3-C.sub.8-环烷基-C.sub.r H.sub.2r --X--.sub.p,苯基--X--.sub.p,(C.sub.1-C.sub.12烷基)-苯基--X--,苯基-C.sub.r H.sub.2r --X--.sub.p和(C.sub.1-C.sub.12烷基)-苯基-C.sub.r H.sub.2r --X--.sub.p,其中r为1或2,p为0或1,X为--O--,--S--,--SO--或--SO.sub.2--,或者R.sup.5到R.sup.8独立地是属于--Br,--CF.sub.3,--CN,--Si(C.sub.1-C.sub.4烷基).sub.3,--S--(C.sub.m H.sub.2m O)--.sub.n R.sup.11或--O--C.sub.m H.sub.2m --O--R.sup.11的基团之一,或者R.sup.5到R.sup.8中的每一个是--F或--Cl,并且R.sup.5到R.sup.8中至少有一个是上述定义的基团的取代基,包括C.sub.1-C.sub.4烷基和甲氧基,R.sup.9和R.sup.10独立地是H,C.sub.1-C.sub.12烷基,苯基或--C.sub.m H.sub.2m --O--.sub.q R.sup.11,或者R.sup.9和R.sup.10在一起是四亚甲基,五亚甲基,3-氧代五亚甲基或--CH.sub.2 CH.sub.2 NR.sup.9 CH.sub.2 CH.sub.2--,R.sup.11是H或C.sub.1-C.sub.12烷基,m是2到4的数字,n是2到20的数字,q是1到20的数字,或者(b) R.sup.1到R.sup.8独立地是H或上述定义的取代基之一,包括C.sub.1-C.sub.4烷基和甲氧基,或--COOR.sup.9或--CONR.sup.9 R.sup.10,或者R.sup.1到R.sup.8中相邻的两对基团是--CO--O--CO--或--CO--NR.sup.9--CO--,并且R.sup.1到R.sup.4和R.sup.5到R.sup.8中至少有一个是取代基,但R.sup.2,R.sup.3,R.sup.6和R.sup.7是--F和甲基时除外,其中R.sup.9和R.sup.10如上所定义。它们与电子受体形成电荷转移复合物,可用作有机电导体、显示器、光开关和传感器。