4-氧代-四氢-硫代吡喃-3-羧酸甲酯合成路线 (共 24 条)
反应条件
N-chloro-succinimide in dichloromethane
0.5 h; Heating;
参考文献
Lane, Simon; Quick, Stephen J.; Taylor, Richard J. K.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 11 p. 2549 - 2552
反应条件
N-chloro-succinimide in dichloromethane
Ambient temperature; Yield given. Title compound not separated from byproducts;
参考文献
Lane, Simon; Quick, Stephen J.; Taylor, Richard J. K.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 11 p. 2549 - 2552
反应条件
1: 91 percent / 5percent sulfuric acid / 5 h / Heating
2: 92 percent / 2,2-dimethoxypropane, p-toluenesulfonic acid / benzene / 6 h / Heating
3: p-toluenesulfonic acid / benzene / 4 h / Heating
4: sodium periodate / H2O; methanol / 10 h / 60 °C
5: 73 percent / potassium tert-butoxide / CCl4; 2-methyl-propan-2-ol / 20 h / 50 - 55 °C
6: pyridinium p-toluenesulfonate, water / acetone / 24 h / Heating
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参考文献
Matsuyama, Haruo; Miyazawa, Yasuyuki; Takei, Yuji; Kobayashi, Michio
Journal of Organic Chemistry, 1987 , vol. 52, # 9 p. 1703 - 1710
反应条件
1: benzene; phosphorus (V)-chloride
2: aqueous sulfuric acid
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参考文献
Tarbell; Hoffman
Journal of the American Chemical Society, 1954 , vol. 76, p. 2451