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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 2172010
ノート
印刷プレビュー

反応式

HRID 2172010 の反応式
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
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 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

生成物 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
収率 24%

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6228Dimethylformamide溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-97e3a19b3c3847ad86046db7b3f50d78
出典データセット
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09051321B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート