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Potassium Carbonate → (2S)-2-tert-butoxy-2-(5-methyl-2-(3-(1-methyl-1H-indazol-5-yl)phenyl)-7-(2-methylbenzo[d][1,3]dioxol-5-yl)benzo[d]thiazol-6-yl)ethyl pivalate

HRID 510307
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HRID 510307 반응식
[C:1]([O:7][CH2:8][C@H:9]([C:15]1[C:39]([CH3:40])=[CH:38][C:18]2[N:19]=[C:20]([C:22]3[CH:27]=[CH:26][CH:25]=[C:24]([C:28]4[CH:29]=[C:30]5[C:34](=[CH:35][CH:36]=4)[N:33]([CH3:37])[N:32]=[CH:31]5)[CH:23]=3)[S:21][C:17]=2[C:16]=1Br)[O:10][C:11]([CH3:14])([CH3:13])[CH3:12])(=[O:6])[C:2]([CH3:5])([CH3:4])[CH3:3].CC1(C)C(C)(C)OB([C:50]2[CH:59]=[CH:58][C:53]3[O:54][CH:55]([CH3:57])[O:56][C:52]=3[CH:51]=2)O1.C([O-])([O-])=O.[K+].[K+]>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:7][CH2:8][C@@H:9]([O:10][C:11]([CH3:14])([CH3:13])[CH3:12])[C:15]1[C:39]([CH3:40])=[CH:38][C:18]2[N:19]=[C:20]([C:22]3[CH:27]=[CH:26][CH:25]=[C:24]([C:28]4[CH:29]=[C:30]5[C:34](=[CH:35][CH:36]=4)[N:33]([CH3:37])[N:32]=[CH:31]5)[CH:23]=3)[S:21][C:17]=2[C:16]=1[C:50]1[CH:59]=[CH:58][C:53]2[O:54][CH:55]([CH3:57])[O:56][C:52]=2[CH:51]=1)(=[O:6])[C:2]([CH3:5])([CH3:4])[CH3:3]
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6

반응물 3

HCID 11430Potassium CarbonateHCID 86699810(S)-2-(7-bromo-5-methyl-2-(3-(1-methyl-1H-indazol-5-yl)phenyl)benzo[d]thiazol-6-yl)-2-tert-butoxyethyl pivalateHCID 866998384,4,5,5-Tetramethyl-2-(2-methylbenzo[d][1,3]dioxol-5-yl)-1,3,2-dioxaborolane

생성물 1

HCID 86699837(2S)-2-tert-butoxy-2-(5-methyl-2-(3-(1-methyl-1H-indazol-5-yl)phenyl)-7-(2-methylbenzo[d][1,3]dioxol-5-yl)benzo[d]thiazol-6-yl)ethyl pivalate

시약·촉매·용매

2
HCID 178418397HCID 178418397, 화합물촉매HCID 312751,4-Dioxane용매

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온도
110 °C

실험 절차

To a solution of (S)-2-(7-bromo-5-methyl-2-(3-(1-methyl-1H-indazol-5-yl)phenyl)benzo[d]thiazol-6-yl)-2-tert-butoxyethyl pivalate (16 mg, 0.025 mmol) and 4,4,5,5-tetramethyl-2-(2-methylbenzo[d][1,3]dioxol-5-yl)-1,3,2-dioxaborolane (13 mg, 0.050 mmol) in 1,4-dioxane was added Pd(PPh3)4 (4 mg, 3.1×10−3 mmol) and 2M K2CO3 (66 μL, 0.133 mmol). The reaction was degassed for 5 minutes with N2 and then heated to 110° C. for 1 h. After cooling, the reaction mixture was diluted with EtOAc, extracted with saturated NaHCO3, brine, dried over Na2SO4, filtered and concentrated and purified by flash column chromatography (silica gel, 0 to 10% ethyl acetate/hexanes) to give the product. LCMS-ESI+ (m/z): [M+H]+ calcd for C41H44N3O5S: 690.30; found: 690.4.

후처리

  1. customThe reaction was degassed for 5 minutes with N2
  2. temperatureAfter cooling
  3. additionthe reaction mixture was diluted with EtOAc
  4. extractionextracted with saturated NaHCO3, brine
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. custompurified by flash column chromatography (silica gel, 0 to 10% ethyl acetate/hexanes)
  9. customto give the product

출처 및 근거

ORD 기록
ord-f3f9ce9ee84948fa8bc9db3b2df6fc23
출처 데이터셋
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09096586B2

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