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以对羟基苯甲醚和丙烯腈为起始原料经加成、水解、环合等 3步反应制备 6 -甲氧基苯并二氢 - γ-吡喃酮。工艺简单 ,产品质量好 ,成本低。
Hydroxyanisole and acrylonitrile as starting materials were synthesized by 3 - step reaction of addition, hydrolysis and cyclization to prepare 6 - methoxybenzodihydro - γ - pyrone. Simple process, good product quality, low cost.