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Triethylamine → 1-[3-(tert-Butyldimethylsilanyl)-prop-2-ynyl]-4-[1-(dimethyloctylsilanyloxy)-2-phenylethyl]-6-iodo-3-methyl-1H-pyridin-2-one

HRID 352989
ノート
印刷プレビュー

反応式

HRID 352989 の反応式
[Si:1]([C:8]#[C:9][CH2:10][N:11]1[C:16]([I:17])=[CH:15][C:14]([CH:18]([OH:26])[CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)=[C:13]([CH3:27])[C:12]1=[O:28])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].CCN(CC)CC.Cl[Si:37]([CH3:47])([CH3:46])[CH2:38][CH2:39][CH2:40][CH2:41][CH2:42][CH2:43][CH2:44][CH3:45]>CN(C)C1C=CN=CC=1.C(Cl)Cl>[Si:1]([C:8]#[C:9][CH2:10][N:11]1[C:16]([I:17])=[CH:15][C:14]([CH:18]([O:26][Si:37]([CH3:46])([CH3:47])[CH2:38][CH2:39][CH2:40][CH2:41][CH2:42][CH2:43][CH2:44][CH3:45])[CH2:19][C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)=[C:13]([CH3:27])[C:12]1=[O:28])([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[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

6

反応物 3

HCID 8471TriethylamineHCID 87482ChlorodimethyloctylsilaneHCID 227066981-[3-(tert-butyldimethylsilanyl)prop-2-ynyl]-4-(1-hydroxy-2-phenylethyl)-6-iodo-3-methyl-1H-pyridin-2-one

生成物 1

HCID 102119661-[3-(tert-Butyldimethylsilanyl)-prop-2-ynyl]-4-[1-(dimethyloctylsilanyloxy)-2-phenylethyl]-6-iodo-3-methyl-1H-pyridin-2-one収率 51%

試薬・触媒・溶媒 2

HCID 14284
4-(Dimethylamino)pyridine
触媒
HCID 6344Dichloromethane溶媒

実験手順

To a solution of 1-[3-(tert -butyldimethylsilanyl)prop-2-ynyl]-4-(1-hydroxy-2-phenylethyl)-6-iodo-3-methyl-1H-pyridin-2-one 4a (60 mg, 0.12 mmol) and 4-dimethylaminopyridine (2 mg, 1.2 μmol) in CH2Cl2 (2 mL) was added NEt3 (49 mg, 66 μL, 0.48 mmol) and chlorodimethyloctylsilane (62 mg, 77 μL, 0.3 mmol). The resulting mixture was stirred for 12 h. The solvent was evaporated and the residue was purified by flash chromatography (hexanes-EtOAc 15:1) to afford 5a (41 mg, 51%) as a yellow oil. 1H NMR (300 MHz, CDCl3) δ7.32-7.24 (m, 3H), 7.15-7.12 (m, 2H), 7.08 (s, 1H), 5.14 (d, J=17.0, 1H), 5.09 (d, J=17.0, 1H), 4.79 (t, J=6.4 Hz, 1H), 2.79 (d, J=6.4 Hz, 2H), 1.98 (s, 3H), 1.39-1.11 (m, 14H), 0.94 (s, 9H), 0.90-0.87 (m, 3H), 0.10 (s, 6H), −0.17 (s, 3H), −0.18 (s, 3H); 13C NMR (75 MHz, CDCl3) δ162.3, 152.0, 137.8, 129.7, 129.1, 128.3, 127.5, 127.2, 126.6, 118.6, 88.4, 44.6, 33.5, 32.0, 29.4, 29.3, 26.1, 23.2, 23.0, 22.7, 17.9, 16.5, 14.2, 12.0, −0.19, −2.05, −4.78.

後処理

  1. customThe solvent was evaporated
  2. customthe residue was purified by flash chromatography (hexanes-EtOAc 15:1)

出典と根拠

ORDレコード
ord-c5ae8adf6990431d9f515109f7052bd9
出典データセット
uspto-grants-2004_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06749756B1

反応ノート

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