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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
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HRID 352989 반응식
[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]
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참가 물질

6

반응물 3

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

생성물 1

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

시약·촉매·용매 2

HCID 14284
4-(Dimethylamino)pyridine
촉매
HCID 6344Dichloromethane용매

실험 절차

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.

후처리

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

출처 및 근거

ORD 기록
ord-c5ae8adf6990431d9f515109f7052bd9
출처 데이터셋
uspto-grants-2004_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06749756B1

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