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US4782173A Synthesis of methionine hydroxy analog or derivative, and esters thereof; synthesis of 1-acyloxy-4-hydrocarbylthiopropene, and products 失效
甲硫氨酸羟基类似物或衍生物及其酯的合成; 合成1-酰氧基-4-烃基硫代丙烯,以及产物

Synthesis of methionine hydroxy analog or derivative, and esters
thereof; synthesis of 1-acyloxy-4-hydrocarbylthiopropene, and products
摘要:
Discloses (1) reacting a 3-(hydrocarbylthio) propionaldehyde with a compound ##STR1## (2) reacting latter compound with CO and R"YH where y is O or S to make (3) hydrolyzing this compound; (4) certain new 1-acyloxy-3-methylthiopropenes and (5) the methyl ester of 2-acetoxy-4-(methylthio)thiobutanoic acid.
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