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Pyridine → (3S)-tert-butyl 3-(acetylthiomethyl)-4-(2-chloro-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)piperazine-1-carboxylate

HRID 1502044
ノート
印刷プレビュー

反応式

HRID 1502044 の反応式
[C:1]([S:4][CH2:5][C@H:6]1[N:11]([CH2:12][C@H:13](O)[C:14]2[C:15]([CH3:24])=[C:16]3[C:20](=[CH:21][CH:22]=2)[C:19](=[O:23])[O:18][CH2:17]3)[CH2:10][CH2:9][N:8]([C:26]([O:28][C:29]([CH3:32])([CH3:31])[CH3:30])=[O:27])[CH2:7]1)(=[O:3])[CH3:2].S(Cl)([Cl:35])=O.N1C=CC=CC=1>C1(C)C=CC=CC=1>[C:1]([S:4][CH2:5][C@H:6]1[N:11]([CH2:12][CH:13]([Cl:35])[C:14]2[C:15]([CH3:24])=[C:16]3[C:20](=[CH:21][CH:22]=2)[C:19](=[O:23])[O:18][CH2:17]3)[CH2:10][CH2:9][N:8]([C:26]([O:28][C:29]([CH3:32])([CH3:31])[CH3:30])=[O:27])[CH2:7]1)(=[O:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 1049PyridineHCID 24386Thionyl ChlorideHCID 86727079(S)-tert-butyl 3-(acetylthiomethyl)-4-((R)-2-hydroxy-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)piperazine-1-carboxylate

生成物 1

HCID 86727080(3S)-tert-butyl 3-(acetylthiomethyl)-4-(2-chloro-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)piperazine-1-carboxylate

試薬・触媒・溶媒 1

HCID 1140
Toluene
溶媒

実験手順

To a cooled with an ice bath solution of (S)-tert-butyl 3-(acetylthiomethyl)-4-((R)-2-hydroxy-2-(4-methyl-1-oxo-1,3-dihydroisobenzofuran-5-yl)ethyl)piperazine-1-carboxylate (573 mg, 1.23 mmol) in anhydrous toluene (12.3 mL) was added thionyl chloride (0.268 mL, 3.70 mmol). Then, anhydrous pyridine (0.399 mL, 4.93 mmol) was added dropwise. The reaction mixture was kept at 0° C. for 20 min, then warmed to room temperature and stirred for 3 hours. TLC showed the consumption of the starting material. The reaction was concentrated under reduced pressure and dried on high vacuum overnight. Used directly in the next step.

後処理

  1. customthe consumption of the starting material
  2. concentrationThe reaction was concentrated under reduced pressure
  3. customdried on high vacuum overnight

出典と根拠

ORDレコード
ord-0ce5f2b27e1a4b5796171a95123dec93
出典データセット
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09206199B2

反応ノート

読み込み中…

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