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Triethylamine → 4-{2-Methoxy-4-[5-(6-methoxy-pyridin-3-yl)-imidazo[2,1-b][1,3,4]thiadiazol-2-yl]-phenoxy}-piperidine-1-carboxylic acid tert-butyl ester

HRID 2409546
ノート
印刷プレビュー

反応式

HRID 2409546 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([O:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[S:25][C:24]4=[N:26][CH:27]=[C:28](I)[N:23]4[N:22]=3)=[CH:17][C:16]=2[O:30][CH3:31])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:32][O:33][C:34]1[CH:39]=[CH:38][C:37](B(O)O)=[CH:36][N:35]=1.CCN(CC)CC>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CCO>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([O:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[S:25][C:24]4=[N:26][CH:27]=[C:28]([C:37]5[CH:36]=[N:35][C:34]([O:33][CH3:32])=[CH:39][CH:38]=5)[N:23]4[N:22]=3)=[CH:17][C:16]=2[O:30][CH3:31])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
参加物反応条件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 8471TriethylamineHCID 2734368(6-Methoxypyridin-3-yl)boronic acidHCID 667168474-[4-(5-Iodo-imidazo[2,1-b][1,3,4]thiadiazol-2-yl)-2-methoxy-phenoxy]-piperidine-1-carboxylic acid tert-butyl ester

生成物 1

HCID 667171514-{2-Methoxy-4-[5-(6-methoxy-pyridin-3-yl)-imidazo[2,1-b][1,3,4]thiadiazol-2-yl]-phenoxy}-piperidine-1-carboxylic acid tert-butyl ester収率 13.2%

試薬・触媒・溶媒 2

HCID 178418476
HCID 178418476、化合物
触媒
HCID 702Ethanol溶媒

反応条件

温度
120 °C

実験手順

A mixture of 4-[4-(5-iodo-imidazo[2,1-b][1,3,4]thiadiazol-2-yl)-2-methoxy-phenoxy]-piperidine-1-carboxylic acid tert-butyl ester (94 mg, 0.169 mmol, 1 eq), 2-methoxy-5-pyridineboronic acid (39 mg, 0.253 mmol, 1.5 eq), EtOH (5 ml), Et3N (0.070 ml, 0.507 mmol, 3 eq) and Pd(PPh3)2Cl2 (12 mg, 0.0169 mmol, 0.1 eq) was heated under microwave irradiation (120° C., 30 min). The solvents were removed under reduced pressure and the residue was treated with Et2O. The filtrate was evaporated and the residue was purified by HPLC to give the desired product (12 mg; 13%) as a colourless oil. HPLC-MS (5-100% B in 8 min at 0.8 mL): tR=3.30 min, [M+H]+ m/z 538.3; 1H NMR (300 MHz, CD3COCD3) δ 8.87 (m, 1H), 8.28 (dd, J=8.7, 2.5 Hz, 1H), 7.64 (s, 1H), 7.59 (d, J=2.1 Hz, 1H), 7.54 (dd, J=8.4, 2.2 Hz, 1H), 7.24 (d, J=8.4 Hz, 1H), 6.89 (dd, J=8.7, 0.7 Hz, 1H), 4.71 (m, 1H), 3.96 (s, 3H), 3.93 (s, 3H), 3.75 (m, 2H), 3.32 (m, 2H), 1.98 (m, 2H), 1.70 (m, 2H), 1.45 (s, 9H).

後処理

  1. customThe solvents were removed under reduced pressure
  2. additionthe residue was treated with Et2O
  3. customThe filtrate was evaporated
  4. customthe residue was purified by HPLC

出典と根拠

ORDレコード
ord-55fd0116de924ec7b491cb49d213fd0c
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08815918B2

反応ノート

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