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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
ノート
印刷プレビュー

反応式

HRID 471249 の反応式
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]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒2 回

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-cd5d7de5f3da41ec86ce81e84189f4c2
出典データセット
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08629271B2

反応ノート

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