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Ethyl bromoacetate → HCID 68546571, 화합물

HRID 2243497
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HRID 2243497 반응식
[CH3:1][O:2][C:3]([C:5]1[S:9][C:8]2[CH:10]=[C:11]([C:14]([O:16][CH2:17][CH:18]=[CH2:19])=[O:15])[CH:12]=[CH:13][C:7]=2[C:6]=1[S:20][CH2:21][C:22]([O:24][CH3:25])=[O:23])=[O:4].[CH2:26]1[CH2:36][CH2:35][N:34]2[C:29](=NCCC2)[CH2:28][CH2:27]1.Br[CH2:38][C:39]([O:41][CH2:42][CH3:43])=[O:40].C([O-])([O-])=O.[K+].[K+].[NH4+].[Cl-]>CN(C=O)C.O>[C:39]([CH2:1][O:2][C:3]1[C:5]2[S:9][C:8]3[CH:10]=[C:11]([NH:34][CH:29]4[CH2:28][CH2:27][CH2:26][CH2:36][CH2:35]4)[CH:12]=[CH:13][C:7]=3[C:6]=2[S:20][C:21]=1[C:22]([OH:24])=[O:23])([OH:41])=[O:40].[CH3:25][O:24][C:22]([C:21]1[S:20][C:6]2[C:7]3[CH:13]=[CH:12][C:11]([C:14]([O:16][CH2:17][CH:18]=[CH2:19])=[O:15])=[CH:10][C:8]=3[S:9][C:5]=2[C:3]=1[O:4][CH2:38][C:39]([O:41][CH2:42][CH3:43])=[O:40])=[O:23]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

9

반응물 5

HCID 7748Ethyl bromoacetateHCID 11430Potassium CarbonateHCID 25517Ammonium ChlorideHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 68548906HCID 68548906, 화합물

생성물 2

HCID 11718381HCID 11718381, 화합물
HCID 68546571
HCID 68546571, 화합물
수율 97%

시약·촉매·용매 2

HCID 962Water용매HCID 6228Dimethylformamide용매

실험 절차

To a solution of 3-methoxycarbonylmethylsulfanyl-benzo[b]thiophene-2,6-dicarboxylic acid 6-allyl ester 2-methyl ester (1.05 g, 2.76 mmol) in DMF was added DBU (0.83 mL, 5.53 mmoL) at room temperature. The resultant mixture was stirred for 24 hours. To this was added ethyl bromoacetate (0.92 mL, 8.28 mmoL) and K2CO3 (1.14 g, 8.26 mmoL). The reaction mixture was stirred for additional 2 hours, then aq. NH4Cl (200 mL and water (300 mL) was added. The white precipate was collected by filtration and washed with water to give the desired compound, 1-ethoxycarbonylmethoxy-3,8-dithia-cyclopenta[a]indene-2,6-dicarboxylic acid 6-allyl ester 2-methyl ester (1.162 g, 97% overall).

후처리

  1. filtrationThe white precipate was collected by filtration
  2. washwashed with water

출처 및 근거

ORD 기록
ord-ca74a27877714583b9a888ab2a34e133
출처 데이터셋
uspto-grants-2010_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07674822B2

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