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Methyl chloroformate → 4-[2-(4-Fluoro-benzoylamino)-4-methoxy-benzothiazol-7-yl]-piperidine-1-carboxylic acid methyl ester

HRID 1582152
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HRID 1582152 반응식
Cl.[F:2][C:3]1[CH:28]=[CH:27][C:6]([C:7]([NH:9][C:10]2[S:11][C:12]3[C:18]([CH:19]4[CH2:24][CH2:23][NH:22][CH2:21][CH2:20]4)=[CH:17][CH:16]=[C:15]([O:25][CH3:26])[C:13]=3[N:14]=2)=[O:8])=[CH:5][CH:4]=1.C(N(CC)CC)C.[CH3:36][O:37][C:38](Cl)=[O:39].C(=O)(O)[O-].[Na+]>C1COCC1.O>[CH3:36][O:37][C:38]([N:22]1[CH2:21][CH2:20][CH:19]([C:18]2[C:12]3[S:11][C:10]([NH:9][C:7](=[O:8])[C:6]4[CH:5]=[CH:4][C:3]([F:2])=[CH:28][CH:27]=4)=[N:14][C:13]=3[C:15]([O:25][CH3:26])=[CH:16][CH:17]=2)[CH2:24][CH2:23]1)=[O:39]
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참가 물질

7

반응물 4

HCID 6586Methyl chloroformateHCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 227195404-fluoro-N-[4-methoxy-7-piperidine-4-yl-benzothiazol-2-yl]-benzamide hydrochloride

생성물 1

HCID 865888494-[2-(4-Fluoro-benzoylamino)-4-methoxy-benzothiazol-7-yl]-piperidine-1-carboxylic acid methyl ester수율 76%

시약·촉매·용매 2

HCID 962Water용매HCID 8028Tetrahydrofuran용매

실험 절차

To a suspension of 0.1 g (0.24 mMol) 4-fluoro-N-[4-methoxy-7-piperidine-4-yl-benzothiazol-2-yl]-benzamide hydrochloride (1:1) in 3 ml THF were added 0.036 ml triethyl amine. At 0° C. 0.020 ml (0.26 mMol) chloro formic acid methyl ester was added dropwise and stirred for 1 h. Then a mixture of 5 ml sat. aqueous sodium bicarbonate and 10 ml water were added. This was extracted three times with 15 ml ethyl acetate, the combined organic phase were dried over sodium sulfate and evaporated to dryness in vacuo. One obtained 0.080 g (76%) 4-[2-(4-fluoro-benzoylamino)-4-methoxy-benzothiazol-7-yl]-piperidine-1-carboxylic acid methyl ester as a white solid. F.p.: 238-239° C.

후처리

  1. customAt 0° C
  2. additionwere added
  3. extractionThis was extracted three times with 15 ml ethyl acetate
  4. dry with materialthe combined organic phase were dried over sodium sulfate
  5. customevaporated to dryness in vacuo

출처 및 근거

ORD 기록
ord-5e8e962b81264ab383f45e3478f5810d
출처 데이터셋
uspto-grants-2004_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06734179B2

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