化学合成。
化学合成
合成路线 1（1. 合成：103260-44-2）
产率：100%
合成条件：at 80℃;
实验步骤：乙基四氢-4H-吡喃-4-基乙酸酯由乙基四氢-4H-吡喃-4-亚基乙酸酯（16.0g，94mmol）和Pd / NH 4 COOH在80℃制备。无色油状物，产率：16.3g，定量），MS： 173.2（M + H）+
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