7-羟基-2-氧代-2H-1-苯并吡喃-4-羧酸乙酯合成路线 （共 4 条）
反应条件
in concentrated phosphoric acid
参考文献
Unicler
Patent: US4151291 A1, 1979 ;
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Clinton; Laskowski
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Pisani, Leonardo; Barletta, Maria; Soto-Otero, Ramon; Nicolotti, Orazio; Mendez-Alvarez, Estefania; Catto, Marco; Introcaso, Antonellina; Stefanachi, Angela; Cellamare, Saverio; Altomare, Cosimo; Carotti, Angelo
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