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Water → Ethyl (2S)-3-[3-({(3R)-N-[(benzyloxy)carbonyl]-4,4,4-trifluorovalyl}amino)-4-chlorophenyl]-2-methylpropanoate

HRID 626428
ノート
印刷プレビュー

反応式

HRID 626428 の反応式
[CH2:1]([O:8][C:9]([NH:11][C@H:12]([C:19]([OH:21])=O)[C@H:13]([C:15]([F:18])([F:17])[F:16])[CH3:14])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH2:22][C:23]1[CH:24]=[C:25]([CH2:30][C@H:31]([CH3:37])[C:32]([O:34][CH2:35][CH3:36])=[O:33])[CH:26]=[CH:27][C:28]=1[Cl:29].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.O>CN(C=O)C.N1C=CC=CC=1>[CH2:1]([O:8][C:9]([NH:11][C@H:12]([C:19]([NH:22][C:23]1[CH:24]=[C:25]([CH2:30][C@H:31]([CH3:37])[C:32]([O:34][CH2:35][CH3:36])=[O:33])[CH:26]=[CH:27][C:28]=1[Cl:29])=[O:21])[C@H:13]([C:15]([F:16])([F:17])[F:18])[CH3:14])=[O:10])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 962WaterHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58288362(+)-ethyl (2S)-3-(3-amino-4-chlorophenyl)-2-methylpropanoateHCID 118106631(3R)-N-[(Benzyloxy)carbonyl]-4,4,4-trifluorovaline

生成物 1

HCID 131735218
Ethyl (2S)-3-[3-({(3R)-N-[(benzyloxy)carbonyl]-4,4,4-trifluorovalyl}amino)-4-chlorophenyl]-2-methylpropanoate

試薬・触媒・溶媒 2

HCID 1049Pyridine溶媒HCID 6228Dimethylformamide溶媒

実験手順

1.26 g (purity 76%, about 3.14 mmol) of (3R)—N-[(benzyloxy)carbonyl]-4,4,4-trifluorovaline (diastereomer mixture) and 0.91 g (3.76 mmol) of (+)-ethyl (2S)-3-(3-amino-4-chlorophenyl)-2-methylpropanoate were dissolved in a mixture of 10 ml of DMF and 4 ml of pyridine, and 1.55 g (4.08 mmol) of HATU were added at RT. The reaction mixture was stirred at RT overnight and then added to water. The mixture was extracted three times with ethyl acetate, and the combined organic phases were then washed successively with sat. sodium bicarbonate solution, 1 N hydrochloric acid and sat. sodium chloride solution, dried over magnesium sulphate and concentrated under reduced pressure. The resulting solid was stirred in a mixture of cyclohexane and diethyl ether (about 3:1), filtered off with suction and dried under high vacuum. This gave 0.99 g of the target product (59.9% of theory, diastereomer ratio about 7:1).

後処理

  1. additionwere added at RT
  2. extractionThe mixture was extracted three times with ethyl acetate
  3. washthe combined organic phases were then washed successively with sat. sodium bicarbonate solution, 1 N hydrochloric acid and sat. sodium chloride solution
  4. dry with materialdried over magnesium sulphate
  5. concentrationconcentrated under reduced pressure
  6. stirringThe resulting solid was stirred in a mixture of cyclohexane and diethyl ether (about 3:1)
  7. filtrationfiltered off with suction
  8. customdried under high vacuum

出典と根拠

ORDレコード
ord-ad127d12e3c74432adc3e5a2a4813ff1
出典データセット
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09309198B2

反応ノート

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