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Triethylamine → tert-Butyl 4-(benzo[d]thiazole-2-carbonyl)-1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate

HRID 471249
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HRID 471249 반응식
F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.Cl.[O:26]1[C:31]2([CH2:36][CH2:35][N:34]([C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[CH2:33][CH2:32]2)[CH2:30][NH:29][CH2:28][CH2:27]1.[S:44]1[C:48]2[CH:49]=[CH:50][CH:51]=[CH:52][C:47]=2[N:46]=[C:45]1[C:53](O)=[O:54].C(N(CC)CC)C>CN(C=O)C>[S:44]1[C:48]2[CH:49]=[CH:50][CH:51]=[CH:52][C:47]=2[N:46]=[C:45]1[C:53]([N:29]1[CH2:30][C:31]2([CH2:36][CH2:35][N:34]([C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[CH2:33][CH2:32]2)[O:26][CH2:27][CH2:28]1)=[O:54]
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참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 5850531,3-Benzothiazole-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 66964240Tert-butyl 1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate hydrochloride

생성물 1

HCID 57989296tert-Butyl 4-(benzo[d]thiazole-2-carbonyl)-1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate

시약·촉매·용매 1

HCID 6228Dimethylformamide용매2회

실험 절차

O-(7-Azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (1.45 g) was added to a solution of tert-butyl 1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate hydrochloride (WuXi PharmaTech) (0.8 g), 1,3-benzothiazol-2-carboxylic acid (0.588 g) and triethylamine (1.51 mL) in DMF (15 mL) and the resulting mixture stirred for 16 h. The volume of DMF was reduced in vacuo and the reaction mixture was partitioned between water (30 mL) and ethyl acetate (30 mL). The organic layer was washed with water (30 mL) and brine (30 mL), dried over magnesium sulphate, filtered and evaporated in vacuo. Purification was by silica gel chromatography eluting with 0-10% methanol in dichloromethane to give the subtitled compound as a yellow oil. Yield 0.83 g.

후처리

  1. customthe reaction mixture was partitioned between water (30 mL) and ethyl acetate (30 mL)
  2. washThe organic layer was washed with water (30 mL) and brine (30 mL)
  3. dry with materialdried over magnesium sulphate
  4. filtrationfiltered
  5. customevaporated in vacuo
  6. customPurification
  7. washeluting with 0-10% methanol in dichloromethane

출처 및 근거

ORD 기록
ord-cd5d7de5f3da41ec86ce81e84189f4c2
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08629271B2

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