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Sodium Hydroxide → (+/-)-(4-Chloro-2-{2-[2-(2,4-dimethyl-thiazol-5-yl)-cyclopropanecarbonyl]-1,2,3,4-tetrahydro-isoquinolin-1-yl}-phenoxy)-acetic acid

HRID 2036207
ノート
印刷プレビュー

反応式

HRID 2036207 の反応式
[CH3:1][C:2]1[S:3][C:4]([C@@H:8]2[CH2:10][C@H:9]2[C:11]([OH:13])=O)=[C:5]([CH3:7])[N:6]=1.C([O:16][C:17](=[O:37])[CH2:18][O:19][C:20]1[CH:25]=[CH:24][C:23]([Cl:26])=[CH:22][C:21]=1[CH:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[CH2:30][CH2:29][NH:28]1)C.Cl.CN(C)CCCN=C=NCC.[OH-].[Na+]>CN(C=O)C.CN(C1C=CN=CC=1)C.C(O)=O>[Cl:26][C:23]1[CH:24]=[CH:25][C:20]([O:19][CH2:18][C:17]([OH:37])=[O:16])=[C:21]([CH:27]2[C:36]3[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=3)[CH2:30][CH2:29][N:28]2[C:11]([CH:9]2[CH2:10][CH:8]2[C:4]2[S:3][C:2]([CH3:1])=[N:6][C:5]=2[CH3:7])=[O:13])[CH:22]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 14798Sodium HydroxideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 66653751(+/-)-[4-Chloro-2-(1,2,3,4-tetrahydro-isoquinolin-1-yl)-phenoxy]-acetic acid ethyl esterHCID 66656330(+/-)-trans-2-(2,4-Dimethyl-thiazol-5-yl)cyclopropanecarboxylic acid

生成物 1

HCID 66653993
(+/-)-(4-Chloro-2-{2-[2-(2,4-dimethyl-thiazol-5-yl)-cyclopropanecarbonyl]-1,2,3,4-tetrahydro-isoquinolin-1-yl}-phenoxy)-acetic acid

試薬・触媒・溶媒 3

HCID 142844-(Dimethylamino)pyridine触媒HCID 284Formic Acid溶媒HCID 6228Dimethylformamide溶媒

実験手順

To a solution of (±)-trans-2-(2,4-dimethyl-thiazol-5-yl)cyclopropanecarboxylic acid (42 mg, 0.20 mmol, 1.0 eq.) and (±)-[4-chloro-2-(1,2,3,4-tetrahydro-isoquinolin-1-yl)-phenoxy]-acetic acid ethyl ester (73 mg, 0.20 mmol, 1.0 eq.) in DMF (2.4 mL), DMAP (37 mg, 0.30 mmol, 1.5 eq.) and N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (58 mg, 0.30 mmol, 1.5 eq.) were added. The resulting solution was stirred at r.t. for 62 hours. 1M aq. NaOH soln. (1.2 mL) was added and the solution was stirred at r.t. for 3.5 hours. Formic acid (0.2 mL) was added. The crude mixture was purified by prep. HPLC (column: Waters XBridge, 19×50 mm, 5 um, UV/MS, acidic conditions). The two racemic diastereoisomers were separated (LC-MS 3: tR (±)-dial=0.81 and tR (±)-dia2=0.82). The title compound showed: tR=0.82.

後処理

  1. addition(1.2 mL) was added
  2. stirringthe solution was stirred at r.t. for 3.5 hours
  3. customThe crude mixture was purified by prep
  4. customThe two racemic diastereoisomers were separated (LC-MS 3

出典と根拠

ORDレコード
ord-8a88928ca4d44ca29220cf25f94680c5
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08575158B2

反応ノート

読み込み中…

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