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Triethylamine → (9-(3-(2-Hydroxyethyl)benzyl)-1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)(2-isopropylthiazol-4-yl)methanone

HRID 471018
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HRID 471018 반응식
FC(F)(F)C(O)=O.[CH:8]([C:11]1[S:12][CH:13]=[C:14]([C:16]([N:18]2[CH2:23][C:22]3([CH2:28][CH2:27][NH:26][CH2:25][CH2:24]3)[O:21][CH2:20][CH2:19]2)=[O:17])[N:15]=1)([CH3:10])[CH3:9].Br[CH2:30][C:31]1[CH:32]=[C:33]([CH2:37][CH2:38][OH:39])[CH:34]=[CH:35][CH:36]=1.C(N(CC)CC)C>C(#N)C>[OH:39][CH2:38][CH2:37][C:33]1[CH:32]=[C:31]([CH:36]=[CH:35][CH:34]=1)[CH2:30][N:26]1[CH2:25][CH2:24][C:22]2([O:21][CH2:20][CH2:19][N:18]([C:16]([C:14]3[N:15]=[C:11]([CH:8]([CH3:10])[CH3:9])[S:12][CH:13]=3)=[O:17])[CH2:23]2)[CH2:28][CH2:27]1
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반응물 3

HCID 8471TriethylamineHCID 18999576Benzeneethanol, 3-(bromomethyl)-HCID 66964182(2-Isopropylthiazol-4-yl)(1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)methanone trifluoroacetate

생성물 1

HCID 57989126(9-(3-(2-Hydroxyethyl)benzyl)-1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)(2-isopropylthiazol-4-yl)methanone

시약·촉매·용매 1

HCID 6342Acetonitrile
용매

실험 절차

A mixture of (2-isopropylthiazol-4-yl)(1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)methanone trifluoroacetate (example 22, step b) (0.85 g) and 2-(3-(bromomethyl)phenyl)ethanol (example 6, step a) (0.432 g) in acetonitrile (10 mL) at 20° C. was treated with triethylamine (0.616 mL) and then stirred for 2 hours. The solvent was evaporated under reduced pressure and the residue partitioned between ethyl acetate and brine, the organic layer was dried over sodium sulphate, filtered and the solvent evaporated under reduced pressure. The crude product was purified by flash silica chromatography, elution gradient 1% triethylamine and 3% methanol in dichloromethane. Pure fractions were evaporated to dryness to afford the subtitled compound. Yield 0.71 g.

후처리

  1. customThe solvent was evaporated under reduced pressure
  2. customthe residue partitioned between ethyl acetate and brine
  3. dry with materialthe organic layer was dried over sodium sulphate
  4. filtrationfiltered
  5. customthe solvent evaporated under reduced pressure
  6. customThe crude product was purified by flash silica chromatography, elution gradient 1% triethylamine and 3% methanol in dichloromethane
  7. customPure fractions were evaporated to dryness

출처 및 근거

ORD 기록
ord-fb021460c82947818441a48d72c0549c
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08629271B2

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