PHTHALIDES CONTAINING PYRANO, OF FORMULA (FORMULA I) WHERE R = H, AN UNSUBSTITUTED RENT OF 12 ATOMS OF C AT MAXIMUM, OR REPLACED BY HALOGEN, CIAN, HYDROXY, A LOWER ALCOXY; A CYCLLOALKYL, FENALKYL SUBSTITUTED OR NOT, FENYL, OR A REST OF HETERO-CYCLE SUBSTITUTED OR NOT; R '' = H. ALSO R AND R '' TOGETHER MAY FORM A C2-C3 ALKYLENE, EVENTUALLY SUBSTITUTED FOR METHYL; X = H, RENT WITH 1 TO 12 C, OR A MONOCYCLIC OR POLYCLICAL AROMATIC OR HETEROAROMATIC REST; RING A MEANS A BENZENE OR NAFTALENIC RING, MONKEY OR POLY-SUBSTITUTED EVENTUALLY BY HALOGEN, OR BY A LOWER ALKYL, ALCOXY OR ALCOXYCARBONYL, AROTIC PURPOSE, AROMATIC OR HERO-AERO-PURPOSE WITH AROMATIC, HAND-RING AND AERO-AERO REPLACED BOTH RINGS. THESE PHTHALIDES ARE MAINLY SUITABLE AS DYE FORMERS IN HEAT AND PRESSURE SENSITIVE DRAWING MATERIALS, GIVING ORANGE, RED, VIOLET, GREEN-BLUE, BLUE-VIOLET-BLUE, PHOTORESISTENT.
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机译：R = H，最大取代12原子的C的未取代的或由Halogen，Cian，Hydroxy和较低级的醇所代替的含吡喃邻苯二甲酸酯的分子式（式I）环烷基，是否被取代的茴香烷基，苯甲基或是否被取代的杂种杂环; R” =H。并且R和R”一起可以形成C2-C3烯基，可能被甲基取代; X = H，1到12 C的租金，或单环或多环芳族或杂多芳族基团;环指通过卤素或低级烷基，烷氧基或烷氧基羰基，芳香族，芳香族或非芳香族，芳香族，芳香族和芳香族取代的苯或萘环，猴或经多价取代的猴子或多环环戒指。这些邻苯二甲酸盐主要适合热和压力敏感的拉丝材料中的成色剂，提供橙色，红色，紫罗兰色，绿蓝，蓝紫罗兰色，耐光性。
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