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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → 6-{(1E)-3-Oxo-3-[3-(1,3-thiazol-2-ylmethoxy)azetidin-1-yl]prop-1-en-1-yl}-3,4-dihydro-1,8-naphthyridin-2(1H)-one

HRID 633910
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HRID 633910 반응식
Cl.[O:2]=[C:3]1[NH:12][C:11]2[N:10]=[CH:9][C:8](/[CH:13]=[CH:14]/[C:15]([OH:17])=O)=[CH:7][C:6]=2[CH2:5][CH2:4]1.Cl.[NH:19]1[CH2:22][CH:21]([O:23][CH2:24][C:25]2[S:26][CH:27]=[CH:28][N:29]=2)[CH2:20]1.CCN(C(C)C)C(C)C.CCN=C=NCCCN(C)C>CN(C1C=CN=CC=1)C.CN(C=O)C>[O:17]=[C:15]([N:19]1[CH2:22][CH:21]([O:23][CH2:24][C:25]2[S:26][CH:27]=[CH:28][N:29]=2)[CH2:20]1)/[CH:14]=[CH:13]/[C:8]1[CH:7]=[C:6]2[C:11](=[N:10][CH:9]=1)[NH:12][C:3](=[O:2])[CH2:4][CH2:5]2
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 81531DiisopropylethylamineHCID 66905305(E)-3-(7-oxo-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)acrylic Acid HydrochlorideHCID 671544802-[(Azetidin-3-yloxy)methyl]-1,3-thiazole hydrochloride

생성물 1

HCID 529505266-{(1E)-3-Oxo-3-[3-(1,3-thiazol-2-ylmethoxy)azetidin-1-yl]prop-1-en-1-yl}-3,4-dihydro-1,8-naphthyridin-2(1H)-one
수율 24%

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매HCID 6228Dimethylformamide용매

실험 절차

A 16 mL vial flask was successively charged with (2E)-3-(7-oxo-5,6,7,8-tetrahydro-1,8-naphthyridin-3-yl)acrylic acid hydrochloride (60 mg, 0.24 mmol), DMF (5.8 mL), 2-[(azetidin-3-yloxy)methyl]-1,3-thiazole hydrochloride (99 mg, 0.48 mmol; which may be prepared as described in Step 3), DIPEA (119 μL, 0.72 mmol), DMAP (2.4 mg, 0.02 mmol) and EDAC (56 mg, 0.29 mmol). The reaction mixture was stirred at room temperature overnight and concentrated to dryness. The residue was precipitated in methanol/water and then filtered. The resulting solid was purified on column chromatography (eluent: 96/4 dichloromethane/MeOH) then triturated in pentane and MeOH to give the title compound (21 mg, 24%) as a white solid.

후처리

  1. concentrationconcentrated to dryness
  2. customThe residue was precipitated in methanol/water
  3. filtrationfiltered
  4. customThe resulting solid was purified on column chromatography (eluent: 96/4 dichloromethane/MeOH)
  5. customthen triturated in pentane

출처 및 근거

ORD 기록
ord-787648960dca4639a4b576039b8ccc8c
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09321769B2

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