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pyranthrone

1、皮蒽酮染料

... pyranoside吡喃糖苷 pyranthrone皮蒽酮染料 pyrazine吡嗪 ...

2、皮蒽酮

...甲酐与甲苯经缩合闭环合成2-甲基蒽醌，经氯化生成1-氯-2-甲基蒽醌，再在铜盐催化下脱氯缩合、氧化闭环合成皮蒽酮（Pyranthrone），最后再经氯化生成2,10-二氯代皮蒽酮，经颜料化处理制备橙色颜料C.I.颜料橙51。

Brominated Pyranthrone Red溴代芘蒽酮红

Pyranthrone Red Y二氯二溴芘蒽酮红

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