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N-methyl-2-oxoindoline-5-sulfonamide → 2-Methyl-6-[5-methylsulfamoyl-2-oxo-1,2-dihydro-indol-(3Z)-ylidene]-1,4,5,6-tetrahydro-cyclopenta[b]pyrrole-3-carboxylic acid

HRID 2213561
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HRID 2213561 반응식
[CH3:1][NH:2][S:3]([C:6]1[CH:7]=[C:8]2[C:12](=[CH:13][CH:14]=1)[NH:11][C:10](=[O:15])[CH2:9]2)(=[O:5])=[O:4].[CH3:16][C:17]1[NH:21][C:20]2[C:22](=O)[CH2:23][CH2:24][C:19]=2[C:18]=1[C:26]([OH:28])=[O:27]>CN(C=O)C.N1CCCCC1>[CH3:16][C:17]1[NH:21][C:20]2/[C:22](=[C:9]3\[C:10](=[O:15])[NH:11][C:12]4[C:8]\3=[CH:7][C:6]([S:3](=[O:5])(=[O:4])[NH:2][CH3:1])=[CH:14][CH:13]=4)/[CH2:23][CH2:24][C:19]=2[C:18]=1[C:26]([OH:28])=[O:27]
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참가 물질

5

반응물 2

HCID 10176909N-methyl-2-oxoindoline-5-sulfonamideHCID 219575932-Methyl-6-oxo-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-3-carboxylic acid

생성물 1

HCID 210515372-Methyl-6-[5-methylsulfamoyl-2-oxo-1,2-dihydro-indol-(3Z)-ylidene]-1,4,5,6-tetrahydro-cyclopenta[b]pyrrole-3-carboxylic acid수율 24.5%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매
HCID 8082
Piperidine
용매

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온도
110 °C

실험 절차

A mixture of 2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid methylamide (905 mg, 4 mmol) and 2-methyl-6-oxo-1,4,5,6-tetrahydro-cyclopenta[b]pyrrole-3-carboxylic acid (Example B, 716 mg, 4 mmol) in DMF (50 mL) and piperidine (5 mL) was heated at 110° C. with stirring for 48 hours. The solvent was removed and the residue was suspended in methanol-ice-water and acidified with 2N HCl. The solid was collected by filtration and then suspended in DCM. The suspension was washed with 2N aq. NaOH for three times. The combined water layer was backwashed with DCM. The water layer was acidified with 2N HCl and filtered to give a brown solid, which was triturated with MeOH to afford 380 mg of the titled compound as a brown yellow solid. The combined organic layer was dried (Na2SO4) and evaporated to give 130 mg of 3-[2-methyl-4,5-dihydro-1H-cyclopenta[b]pyrrol-(6Z)-ylidene]-2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid methylamide (Example 4) as a yellow solid.

후처리

  1. customThe solvent was removed
  2. filtrationThe solid was collected by filtration
  3. washThe suspension was washed with 2N aq. NaOH for three times
  4. filtrationfiltered
  5. customto give a brown solid, which
  6. customwas triturated with MeOH

출처 및 근거

ORD 기록
ord-184decfbdf104ec3b6610892664e8f86
출처 데이터셋
uspto-grants-2006_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07105562B2

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