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    • 10. 发明授权
    • Process for preparing 1,2-fused-1,3-dinitrogen-heterocyclic compounds
    • 制备1,2-稠合-1,3-二氮杂环化合物的方法
    • US4048174A
    • 1977-09-13
    • US591789
    • 1975-06-30
    • Artur BottaChristian Rasp
    • Artur BottaChristian Rasp
    • C07D471/04C07D471/14C07D487/04C07D487/06C10N30/12C23F11/14
    • C07D471/04C07D471/14C07D487/04C07D487/06C23F11/149
    • 1,2-FUSED FIVE-MEMBERED OR SIX-MEMBERED 1,3-DINITROGEN-HETEROCYCLIC COMPOUNDS, USFUL AS ANTI-CORROSION AGENTS, HAVING THE FORMULA ##STR1## wherein A is an optionally substituted, optionally polynuclear orth- or peri-arylene radical andB is an optionally substituted alkylene chain ##STR2## WHEREIN R.sup.1 and R.sup.2 individually represent hydrogen and/or optionally substituted aliphatic, cycloaliphatic, araliphatic or aromatic radicals andn represents a number from 3 to 6,OrB is an optionally substituted 1,8-naphthylene, 2,2'-diphenylene or 4,5-phenanthrylene radical,Are prepared by splitting a five-membered or six-membered 1,3- dinitrogen-heterocyclic compound, which contains a 2-(.omega.-amino group) side chain, having the formula ##STR3## wherein A and B have the meanings indicated above andR.sup.3 and R.sup.4 are hydrogen, lower alkyl, cycloalkyl or aralkyl but at least one of the two radicals R.sup.3 and R.sup.4 must represent hydrogen.
    • 其中A是任选取代的,任选多核的orth或peri的1,2-二烯或六元共轭三元杂环化合物,作为抗腐蚀剂,具有式(I) 亚芳基,B是任选取代的亚烷基链,其中R 1和R 2各自表示氢和/或任选取代的脂族,脂环族,芳脂族或芳族基团,并且N代表从3至6的数字,或B是任选取代的 1,8-亚萘基,2,2'-二亚苯基或4,5-菲亚基,是通过分离五元或六元共轭三元杂环化合物制备的,其包含2-(ω-氨基) 组合式),具有式(II)其中A和B具有上述含义,R 3和R 4是氢,低级烷基,环烷基或芳烷基,但两个基团R 3和R 4中的至少一个必须表示氢 。