中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | N-phenylsulfonyl-trans-4-hydroxy-L-proline | 16257-76-4 | C11H13NO5S | 271.294 |
—— | 1-(benzenesulphonyl)-4-hydroxypyrrolidine-2-carboxylic acid | 16257-78-6 | C11H13NO5S | 271.294 |
—— | (1S,4S)-5-(phenylsulfonyl)-2-oxa-5-azabicyclo[2.2.1]heptan-3-one | 1349197-85-8 | C11H11NO4S | 253.279 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | N-(benzenesulfonyl)-cis-4-(methanesulfonyloxy)-proline, methyl ester | 873847-23-5 | C13H17NO7S2 | 363.412 |
—— | methyl (2S,4R)-4-((methylsulfonyl)oxy)-1-benzenesulfonylpyrrolidine-2-carboxylate | 1076189-66-6 | C13H17NO7S2 | 363.412 |
—— | 1-Benzenesulfonyl-4-(3-phenyl-acryloyloxy)-pyrrolidine-2-carboxylic acid methyl ester | 1076189-67-7 | C21H21NO6S | 415.467 |
—— | 1-Benzenesulfonyl-4-benzoyloxy-pyrrolidine-2-carboxylicacid methyl ester | 1076189-62-2 | C19H19NO6S | 389.429 |
—— | methyl (S)-4-oxo-1-(phenylsulfonyl)pyrrolidine-2-carboxylate | 20275-04-1 | C12H13NO5S | 283.305 |
—— | 1-Benzenesulfonyl-4-benzenesulfonyloxy-pyrrolidine-2-carboxylic acid methyl ester | 1076189-65-5 | C18H19NO7S2 | 425.483 |
—— | 1-Benzenesulfonyl-4-(4-chloro-benzoyloxy)-pyrrolidine-2-carboxylic acid methyl ester | 1076189-63-3 | C19H18ClNO6S | 423.874 |
—— | 1-Benzenesulfonyl-4-(toluene-4-sulfonyloxy)-pyrrolidine-2-carboxylic acid methyl ester | 1076189-64-4 | C19H21NO7S2 | 439.51 |
—— | 1-Benzenesulfonyl-4-hydroxy-pyrrolidine-2-carboxylicacid hydroxyamide | 1076189-75-7 | C11H14N2O5S | 286.309 |
A high yielding practical three-step procedure, which relies on an extractive work-up procedure, has been developed to convert N-phenylsulfonyl-trans-4-hydroxy-l-proline to N-phenylsulfonyl-cis-4-hydroxy-l-proline methyl ester in 82 % yield over three steps.