Methylamine → (S)-N-Methylhydroxysuccinimide

HRID 4793

反応式

HRID 4793 の反応式
[C:1]([OH:9])(=O)[C@H:2]([CH2:4][C:5](O)=[O:6])[OH:3].[CH3:10][NH2:11]>C1(C)C=CC=CC=1>[OH:3][C@H:2]1[CH2:4][C:5](=[O:6])[N:11]([CH3:10])[C:1]1=[O:9]

参加物

4

反応物 2

HCID 6329MethylamineHCID 222656L-Malic Acid

生成物 1

HCID 13726417(S)-N-Methylhydroxysuccinimide

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒

実験手順

To a stirred solution of 134 g (1 mole) of (S)-malic acid in 700 ml of toluene was added 97 ml of 40% aqueous methylamine. The temperature slowly rose to 50° C. After 0.5 hr the stirred mixture was heated to reflux and the water was collected in a Dean-Stark trap for 48 hours. A total of 93 ml of water was collected. The toluene residue was treated with 300 ml of ethanol and concentrated on the rotary evaportor. The residue was distilled. The yield of product obtained was 101 g (78%), b.p. 140°/2 mm; 145°/0.5 mm.

後処理

  1. customslowly rose to 50° C
  2. temperatureAfter 0.5 hr the stirred mixture was heated
  3. temperatureto reflux
  4. customthe water was collected in a Dean-Stark trap for 48 hours
  5. customA total of 93 ml of water was collected
  6. additionThe toluene residue was treated with 300 ml of ethanol
  7. concentrationconcentrated on the rotary evaportor
  8. distillationThe residue was distilled
  9. customThe yield of product obtained
  10. custom145°/0.5 mm

出典と根拠

ORDレコード
ord-b804369893e54bd59770ee9a23839cc6
出典データセット
uspto-grants-1988_02
特許番号
US04727152

関連ノート

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