Ammonia → 2-{[(4-{[(3-Aminopropyl)amino]methyl}cyclohexyl)methyl]amino}ethan-1-ol

HRID 1439775ノート

反応式

HRID 1439775 の反応式
[C:1](#[N:4])[CH:2]=[CH2:3].OCC[C:8]1([CH2:16][NH2:17])[CH2:13][CH2:12][CH:11]([CH2:14][NH2:15])[CH2:10][CH2:9]1.N.[H][H].[CH2:21]([OH:23])[CH3:22]>[Ni]>[NH2:4][CH2:1][CH2:2][CH2:3][NH:17][CH2:16][CH:8]1[CH2:9][CH2:10][CH:11]([CH2:14][NH:15][CH2:22][CH2:21][OH:23])[CH2:12][CH2:13]1

参加物

7

反応条件

温度
90 °C

実験手順

Acrylonitrile (10.6 g., 0.2 mole) is added dropwise over a 15 minute period to N-(2-hydroxyethyl-1,4-cyclohexanebis(methylamine) (37.2 g., 0.4 mole) with stirring and ice bath cooling. After complete addition, the reaction mixture is stirred an additional 2 hours at 5° C., allowed to gradually warm over a 1 hour period, heated 2 hours at 45° C. and finally 1 hour at 90° C. It is then fractionated under reduced pressure up to an internal temperature of 170° C. The residue is dissolved in 200 ml. ethyl alcohol, cooled in an ice bath and saturated with ammonia gas at 0° C. Approximately 5 ml. of sponge nickel catalyst (W. R. Grace Co., Davison Chem. Division) is added and the mixture shaken under hydrogen at 150 psi until no further hydrogen uptake. The catalyst is removed by suction, filtration under nitrogen, the solvent stripped away and the residue fractionally distilled under reduced pressure. The triamine product is readily distinguished from cyanoethylated diamine by its lower Rf on silica gel using a solution of 1 volume concentrated aqueous ammonium hydroxide in 4 volume methyl alcohol. The synthesis is an adaptation of the method of M. Israel et al, J. Med. Chem., 7, 710 (1964) for the preparation of polymethylenepolyamines.

後処理

  1. temperatureice bath cooling
  2. additionAfter complete addition
  3. stirringthe reaction mixture is stirred an additional 2 hours at 5° C.
  4. temperatureto gradually warm over a 1 hour period
  5. customis then fractionated under reduced pressure up to an internal temperature of 170° C
  6. dissolutionThe residue is dissolved in 200 ml
  7. customThe catalyst is removed by suction, filtration under nitrogen
  8. distillationthe residue fractionally distilled under reduced pressure
  9. custom, 7, 710 (1964) for the preparation of polymethylenepolyamines

出典と根拠

ORDレコード
ord-38cbb652226a4154b841bd4c45d63367
出典データセット
uspto-grants-1977_11
特許番号
US04060639

反応ノート

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