Chromogenic 3,1-benzoxazines
    101.
    发明授权
    Chromogenic 3,1-benzoxazines 失效
    显色3,1-苯并恶嗪

    公开(公告)号:US4831141A

    公开(公告)日:1989-05-16

    申请号:US56569

    申请日:1987-06-01

    CPC classification number: B41M5/20 B41M5/136 B41M5/323 C09B19/00

    Abstract: The invention relates to chromogenic 3,1-benzoxazines of the formula ##STR1## wherein X.sup.1 denotes hydrogen, C.sub.1 -C.sub.4 -alkyl, chlorine or OY.sup.1,X.sup.2 denotes NY.sup.2 Y.sup.3,X.sup.3 denotes OY.sup.4 or NY.sup.5 Y.sup.6,R.sup.1 -R.sup.3 independently of one another denote hydrogen, C.sub.1 -C.sub.4 -alkyl, chlorine, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -mono- or -dialkylamino, orR.sup.1 together with Y.sup.2,R.sup.2 or R.sup.3 together with Y.sup.4 or Y.sup.5, orR.sup.2 and R.sup.3 simultaneously with Y.sup.5 and Y.sup.6 denote a 2 to 4-membered bridge which can contain one oxygen atom or one nitrogen atom and can carry up to 4 methyl groups, and whereinR.sup.1 and R.sup.3 simultaneously represent hydrogen only if R.sup.2 with Y.sup.4 or Y.sup.5 forms one of the abovementioned bridges,R.sup.4 denotes hydrogen, methyl or chlorine,Y.sup.1 and Y.sup.4 independently of one another denote C.sub.1 -C.sub.4 -alkyl, cyclohexyl or benzyl and Y.sup.2, Y.sup.3, Y.sup.5 and Y.sup.6 independently of one another denote hydrogen, C.sub.1 -C.sub.4 -alkyl, cyclohexyl or benzyl,are used for pressure-copying, thermoreactive or electrochromic recording materials.

    Abstract translation: 本发明涉及式IMAMA的显色3,1-苯并恶嗪,其中X1表示氢,C1-C4-烷基,氯或OY1,X2表示NY2Y3,X3表示OY4或NY5Y6,R1-R3彼此独立地表示氢 ,C1-C4-烷基,氯,C1-C4-烷氧基或C1-C4-单 - 或二烷基氨基,或R1与Y2,R2或R3一起与Y4或Y5或R2和R3同时与Y5和Y6表示 可以含有一个氧原子或一个氮原子并且可以携带多达4个甲基的2至4元桥,其中只有当具有Y 4或Y 5的R 2形成上述桥之一时,R 1和R 3同时表示氢,R 4表示 氢,甲基或氯,Y1和Y4彼此独立地表示C1-C4-烷基,环己基或苄基,Y2,Y3,Y5和Y6彼此独立地表示氢,C1-C4-烷基,环己基或苄基 用于压力复制,热反应或电致变色记录材料。

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