Treatment of the obtained salt D-phenylglycined-camphor sulfonic salt with sodium carbonate gave crude D-phenylglycine.
苯甘氨酸·d-樟脑磺酸盐用碳酸钠处理得粗D-苯甘氨酸。
Sodium gualenate was prepared from guaiazulene by using dioxane sulfur trioxide(D. S. agent ) as sulfonation agent in yield of 71% with 99.5% purity.
以愈创为原料，用二烷· 三氧化硫加合物（D。S。 试剂）作磺化剂合成呱仑酸钠，总收率71% ，产品纯度在99。5 %以上。
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