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Hexylene Glycol → (s)-Tert-butyl 4-((e)-8-chlorodibenzo[b,f][1,4]oxazepin-11-yl)-2-(2-((r)-4-hydroxy-4-methylpentan-2-yloxy)-2-oxoethyl)piperazine-1-carboxylate

HRID 417822
ノート
印刷プレビュー

反応式

HRID 417822 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[C:20]3[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=3[O:18][C:17]3[CH:25]=[CH:26][C:27]([Cl:29])=[CH:28][C:16]=3[N:15]=2)[CH2:10][C@@H:9]1[CH2:30][C:31]([OH:33])=[O:32])=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl.CN(C)CCCN=C=NCC.[CH3:46][CH:47](O)[CH2:48][C:49]([OH:52])([CH3:51])[CH3:50]>CN(C=O)C.CN(C)C1C=CN=CC=1>[Cl:29][C:27]1[CH:26]=[CH:25][C:17]2[O:18][C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=3[C:14]([N:11]3[CH2:12][CH2:13][N:8]([C:6]([O:5][C:1]([CH3:4])([CH3:2])[CH3:3])=[O:7])[C@@H:9]([CH2:30][C:31]([O:33][C@@H:47]([CH2:48][C:49]([OH:52])([CH3:51])[CH3:50])[CH3:46])=[O:32])[CH2:10]3)=[N:15][C:16]=2[CH:28]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 7870Hexylene GlycolHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 59822173(s)-2-(1-(Tert-butoxycarbonyl)-4-(8-chlorodibenzo[b,f][1,4]oxazepin-11-yl)piperazin-2-yl)acetic acid

生成物 1

HCID 59822183(s)-Tert-butyl 4-((e)-8-chlorodibenzo[b,f][1,4]oxazepin-11-yl)-2-(2-((r)-4-hydroxy-4-methylpentan-2-yloxy)-2-oxoethyl)piperazine-1-carboxylate

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒
HCID 6228Dimethylformamide溶媒

実験手順

(S)-2-(1-(tert-butoxycarbonyl)-4-(8-chlorodibenzo[b,f][1,4]oxazepin-11-yl)piperazin-2-yl)acetic acid (288 mg, 0.61 mmol) can be dissolved in DMF (5 ml). 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (222 mg, 1.16 mmol), and 4-Dimethylaminopyridine (48 mg, 0.39 mmol) can be added respectively at room temperature under nitrogen. After about fifteen minutes R-(−)-2-Methyl-2,4-pentanediol (92 mg, 0.78 mmol) can be added and the mixture should be heated to about 50 C under nitrogen. The product can be purified by flash chromatography using 10% Acetone/Dichloromethane as the eluent to give (S)-tert-butyl 4-((E)-8-chlorodibenzo[b,f][1,4]oxazepin-11-yl)-2-(2-((R)-4-hydroxy-4-methylpentan-2-yloxy)-2-oxoethyl)piperazine-1-carboxylate. (S)-tert-butyl 4-((E)-8-chlorodibenzo[b,f][1,4]oxazepin-11-yl)-2-(2-((R)-4-hydroxy-4-methylpentan-2-yloxy)-2-oxoethyl)piperazine-1-carboxylate can be dissolved in dichloromethane (1.1 ml) and cooled in an ice bath. Trifluoroacetic acid (0.5 ml) should be added drop wise under nitrogen and slowly allowed to reach room temperature while running overnight. The mixture should be concentrated under vacuum and purified by flash chromatography using 10% Acetone/Dichloromethane as the eluent to give Compound ED.

後処理

  1. temperaturethe mixture should be heated to about 50 C under nitrogen
  2. customThe product can be purified by flash chromatography

出典と根拠

ORDレコード
ord-5e709edaa0fe47aea397db0e2f228676
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08093237B2

反応ノート

読み込み中…

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