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4-Methylmorpholine → isobutyl (2'-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-1'(2'H)-yl)acetyl carbonate

HRID 425638
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HRID 425638 반응식
[O:1]=[C:2]1[C:10]2([C:14]3=[CH:15][C:16]4[O:20][CH2:19][O:18][C:17]=4[CH:21]=[C:13]3[O:12][CH2:11]2)[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]1[CH2:22][C:23]([OH:25])=[O:24].CN1CCOCC1.Cl[C:34]([O:36][CH2:37][CH:38]([CH3:40])[CH3:39])=[O:35]>ClCCl>[C:34](=[O:35])([O:24][C:23](=[O:25])[CH2:22][N:3]1[C:4]2[C:9](=[CH:8][CH:7]=[CH:6][CH:5]=2)[C:10]2([C:14]3=[CH:15][C:16]4[O:20][CH2:19][O:18][C:17]=4[CH:21]=[C:13]3[O:12][CH2:11]2)[C:2]1=[O:1])[O:36][CH2:37][CH:38]([CH3:40])[CH3:39]
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참가 물질

5

반응물 3

HCID 79724-MethylmorpholineHCID 62365Isobutyl chloroformateHCID 59263364(2'-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-1'(2'H)-yl)acetic acid

생성물 1

HCID 86641820isobutyl (2'-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3'-indol]-1'(2'H)-yl)acetyl carbonate

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
0 °C

실험 절차

To a solution of (2′-oxospiro[furo[2,3-f][1,3]benzodioxole-7,3′-indol]-1′(2′H)-yl)acetic acid (0.30 g, 0.88 mmol) in dichloromethane (12.5 mL) was added N-methylmorpholine (0.09 g, 0.88 mmol) and iso-butyl chloroformate (0.12 g, 0.88 mmol) dropwise at 0° C. The mixture was stirred at 0° C. for 1.5 h and at ambient temperature for 3 h. This mixture was used as a mixed anhydride for the next step amide formation.

출처 및 근거

ORD 기록
ord-80801bf98aa848b3b4f38cac55f01879
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08106087B2

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