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用硫代乙酰胺或硫脲将顺式醛转变成反式醛PhillipsOA等[SynCommun,1995;25:87]以DMF作溶剂,于室温下,用硫代乙酰胺或硫脲与催化量的K2CO3可将顺式醛转变成反式醛。用硫代乙酰胺3例收率65%~90%;用硫脲4例收率72%~...
Conversion of cis-aldehydes to trans-aldehydes with thioacetamide or thiourea PhillipsOA et al [SynCommun, 1995; 25: 87] using DMF as a solvent at room temperature with thioacetamide or thiourea with a catalytic amount of K2CO3 Cis-formaldehyde can be converted into trans-aldehyde. 3 cases with thioacetamide yield of 65% to 90%; with thiourea yield of 4 cases 72% ~ ...