用苯酚和钠得到苯酚钠，苯酚钠和2-氯乙醇得到2-苯氧基乙醇，与氯化锌反应得2，3-二氢苯并呋喃，产率50%。
A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.
用苯酚和钠得到苯酚钠，苯酚钠和2-氯乙醇得到2-苯氧基乙醇，与氯化锌反应得2，3-二氢苯并呋喃，产率50%。
A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.
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