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1-Hydroxybenzotriazole → N-(9-methyl-9-azabicyclo[3.3.1]non-3-yl)-6-chloro-2-phenylbenzoxazole-4-carboxamide

HRID 506229
ノート
印刷プレビュー

反応式

HRID 506229 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]2[O:8][C:7]([C:9]3[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=3)=[N:6][C:5]2=[C:15]([C:17]([OH:19])=O)[CH:16]=1.Cl.Cl.[NH2:22][CH:23]1[CH2:30][CH:29]2[N:31]([CH3:32])[CH:25]([CH2:26][CH2:27][CH2:28]2)[CH2:24]1.ON1C2C=CC=CC=2N=N1.C(N(C(C)C)CC)(C)C>CN(C=O)C>[CH3:32][N:31]1[CH:25]2[CH2:26][CH2:27][CH2:28][CH:29]1[CH2:30][CH:23]([NH:22][C:17]([C:15]1[CH:16]=[C:2]([Cl:1])[CH:3]=[C:4]3[O:8][C:7]([C:9]4[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=4)=[N:6][C:5]=13)=[O:19])[CH2:24]2
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 189569979-Methyl-9-azabicyclo[3.3.1]nonan-3-amine;dihydrochlorideHCID 684576406-Chloro-2-phenyl-benzoxazole-4-carboxylic acid

生成物 1

HCID 11675918N-(9-methyl-9-azabicyclo[3.3.1]non-3-yl)-6-chloro-2-phenylbenzoxazole-4-carboxamide収率 14.2%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

A 15-mL, round bottomed flask equipped with a magnetic stirrer was purged with nitrogen and charged with 6-chloro-2-phenyl-benzoxazole-4-carboxylic acid (0.075 g, 0.274 mmol), 3-amino-9-methyl-9-azabicyclo[3.3.1]nonane dihydrochloride (0.063 g, 0.411 mmol) 1-ethyl-3-[3-(dimethylamino)propyl]carbodiimide hydrochloride (0.079 g, 0.411 mmol), 1-hydroxybenzotriazole (0.037 g, 0.274 mmol), diisopropylethylamine (0.141 g, 1.09 mmol), and DMF (1.0 mL). After stirring at ambient temperature for 18 h, the reaction was concentrated under reduced pressure and purified by preparative HPLC to afford 0.016 g (14% yield) of N-(9-methyl-9-azabicyclo[3.3.1]non-3-yl)-6-chloro-2-phenylbenzoxazole-4-carboxamide as an off-white solid: 1H NMR (500 MHz, CDCl3) δ 8.95 (br s, 1H), 8.23 (d, J=6.9 Hz, 2H), 8.20 (d, J=2.0 Hz, 1H), 7.71 (d, J=2.0 Hz, 1H), 7.65-7.57 (m, 3H), 4.58 (q, J=7.1 Hz, 1H), 3.18 (br s, 2H), 2.58 (m, 5H), 2.25-2.02 (m, 3H), 1.55 (s, 3H), 1.23 (m, 3H); MS (APCI) m/z 409 [M+H]+

後処理

  1. customA 15-mL, round bottomed flask equipped with a magnetic stirrer
  2. customwas purged with nitrogen
  3. concentrationthe reaction was concentrated under reduced pressure
  4. custompurified by preparative HPLC

出典と根拠

ORDレコード
ord-48a3bd44f2f84db4bda3a2ada1f88ea8
出典データセット
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07781430B2

反応ノート

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