结果，以丙烯醇为起始原料，经加成、酸化、闭环反应，最后经减压蒸馏，成功制得了羟基丙烷磺酸内酯。
Through addition, acidification, closed ring and finally decompressed distillation, hydroxyl propane was made used propenol as initial material.
第一部分讨论了DL-蛋氨酸及其衍生物的化学合成，包括丙烯醛法、丙二酸酯法，氨基内酯法等，并着重介绍了海因法。
In the first part, chemical synthesis, including by acraldehyde, malonic ester, ami no lactone and others were discussed and synthesis by hydantoin was emphasized.
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