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Hydrochloric Acid → 2-(1-Methyl-2-(3-nitrophenyl)ethyl]ethylamine hydrochloride

HRID 429816
ノート
印刷プレビュー

反応式

HRID 429816 の反応式
[N+:1]([C:4]1[CH:5]=[C:6]([CH2:10][C:11](=O)[CH3:12])[CH:7]=[CH:8][CH:9]=1)([O-:3])=[O:2].[ClH:14].C(N)C.C([N:20]([CH2:23][CH3:24])CC)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].Cl>ClCCl.C(OCC)C.CO>[ClH:14].[CH3:12][CH:11]([CH2:24][CH2:23][NH2:20])[CH2:10][C:6]1[CH:7]=[CH:8][CH:9]=[C:4]([N+:1]([O-:3])=[O:2])[CH:5]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

9

反応物 5

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 11198Ethylamine hydrochloride2 回HCID 5049666Sodium triacetoxyborohydrideHCID 125079341-(3-Nitrophenyl)propan-2-one

生成物 1

HCID 602050972-(1-Methyl-2-(3-nitrophenyl)ethyl]ethylamine hydrochloride収率 85%

試薬・触媒・溶媒 3

HCID 887Methanol溶媒HCID 3283Diethyl Ether溶媒2 回HCID 6344Dichloromethane溶媒

実験手順

In dichloromethane (50 ml) was combined 1-(3-nitrophenyl)propan-2-one (1.44 grams, 8 mmole), ethylamine hydrochloride (0.42 grams, 8 mmole), and triethylamine (1.1 ml, 11 mmole). The mixture was stirred under nitrogen at room temperature for 30 minutes. Then sodium triacetoxyborohydride (2.5 grams, 11.7 mmole) was added in one portion. The mixture was stirred under nitrogen 18 hours. Additional ethylamine hydrochloride (0.4 grams) was added. After another 18 hours the mixture was diluted with ethyl ether, washed with 10% sodium hydroxide solution (50 ml), dried over anhydrous magnesium sulfate and the solvent removed under vacuum to give an oil. This oil was taken up into methanol, acidified with 1M hydrochloric acid in ether and the salt was precipitated by further addition of ether. The resulting solid was filtered and air dried to give [2-(1-methyl-2-(3-nitrophenyl)ethyl]ethylamine hydrochloride (1.4 grams, 85%), m.p. 173-175° C., M+H 208.

後処理

  1. stirringThe mixture was stirred under nitrogen 18 hours
  2. washwashed with 10% sodium hydroxide solution (50 ml)
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent removed under vacuum
  5. customto give an oil
  6. customthe salt was precipitated by further addition of ether
  7. filtrationThe resulting solid was filtered
  8. customair dried

出典と根拠

ORDレコード
ord-23c4c77be53b40cbab5dcfa096471b31
出典データセット
uspto-grants-2001_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06319920B1

反応ノート

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