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Triethylamine → (2-Benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonan-8-yl)(5-methylthiophen-2-yl)methanone

HRID 1689272
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HRID 1689272 반응식
CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH3:25][C:26]1[S:30][C:29]([C:31]([OH:33])=O)=[CH:28][CH:27]=1.[CH:34]([N:47]1[CH2:50][C:49]2([CH2:55][NH:54][CH2:53][CH2:52][O:51]2)[CH2:48]1)([C:41]1[CH:46]=[CH:45][CH:44]=[CH:43][CH:42]=1)[C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1.C(N(CC)CC)C>CN(C=O)C>[CH:34]([N:47]1[CH2:50][C:49]2([CH2:55][N:54]([C:31]([C:29]3[S:30][C:26]([CH3:25])=[CH:27][CH:28]=3)=[O:33])[CH2:53][CH2:52][O:51]2)[CH2:48]1)([C:35]1[CH:36]=[CH:37][CH:38]=[CH:39][CH:40]=1)[C:41]1[CH:42]=[CH:43][CH:44]=[CH:45][CH:46]=1
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참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 747135-Methylthiophene-2-carboxylic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 579892372-(Diphenylmethyl)-5-oxa-2,8-diazaspiro[3.5]nonane

생성물 1

HCID 57989184(2-Benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonan-8-yl)(5-methylthiophen-2-yl)methanone

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

HATU (2.267 g) was added in one portion to a solution of 5-methylthiophene-2-carboxylic acid (0.652 g) and 2-benzhydryl-5-oxa-2,8-diazaspiro[3.5]nonane (example 33, step f) (1.35 g) and triethylamine (1.917 mL) in DMF (20 mL) at 0° C. The cooling bath was removed and the mixture stirred at room temperature for 2 hours. The mixture was partitioned between ethyl acetate and brine, the organic layer was washed twice with brine before being dried over sodium sulphate, filtered and the solvent removed under reduced pressure. The crude product was purified by flash silica chromatography, elution gradient 0.4 to 5% methanol in dichloromethane. Pure fractions were evaporated to dryness to afford the subtitled compound. Yield 1.5 g.

후처리

  1. customThe cooling bath was removed
  2. customThe mixture was partitioned between ethyl acetate and brine
  3. washthe organic layer was washed twice with brine
  4. dry with materialbefore being dried over sodium sulphate
  5. filtrationfiltered
  6. customthe solvent removed under reduced pressure
  7. customThe crude product was purified by flash silica chromatography, elution gradient 0.4 to 5% methanol in dichloromethane
  8. customPure fractions were evaporated to dryness

출처 및 근거

ORD 기록
ord-72042aee474e4b80868e70947ede23b5
출처 데이터셋
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08148373B2

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