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Triethylamine → (8R,9aR)-8-[(5-cyclopropylpyrazin-2-yl)oxy]-2-[4-(trifluoromethoxy)benzyl]octahydro-5H-pyrrolo[1,2-a][1,4]diazepin-5-one

HRID 1050314
ノート
印刷プレビュー

反応式

HRID 1050314 の反応式
Cl.[CH:2]1([C:5]2[N:6]=[CH:7][C:8]([O:11][C@H:12]3[CH2:22][N:15]4[C:16](=[O:21])[CH2:17][CH2:18][NH:19][CH2:20][C@H:14]4[CH2:13]3)=[N:9][CH:10]=2)[CH2:4][CH2:3]1.[F:23][C:24]([F:35])([F:34])[O:25][C:26]1[CH:33]=[CH:32][C:29]([CH:30]=O)=[CH:28][CH:27]=1.C(N(CC)CC)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCl>[CH:2]1([C:5]2[N:6]=[CH:7][C:8]([O:11][C@H:12]3[CH2:22][N:15]4[C:16](=[O:21])[CH2:17][CH2:18][N:19]([CH2:30][C:29]5[CH:32]=[CH:33][C:26]([O:25][C:24]([F:23])([F:34])[F:35])=[CH:27][CH:28]=5)[CH2:20][C@H:14]4[CH2:13]3)=[N:9][CH:10]=2)[CH2:4][CH2:3]1
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 8471TriethylamineHCID 69573p-(Trifluoromethoxy)benzaldehydeHCID 5049666Sodium triacetoxyborohydrideHCID 86723197(8R,9aR)-8-[(5-cyclopropylpyrazin-2-yl)oxy]octahydro-5H-pyrrolo[1,2-a][1,4]diazepin-5-one hydrochloride

生成物 1

HCID 76287560(8R,9aR)-8-[(5-cyclopropylpyrazin-2-yl)oxy]-2-[4-(trifluoromethoxy)benzyl]octahydro-5H-pyrrolo[1,2-a][1,4]diazepin-5-one
収率 50%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

(8R,9aR)-8-[(5-Cyclopropylpyrazin-2-yl)oxy]octahydro-5H-pyrrolo[1,2-a][1,4]diazepin-5-one hydrochloride (60 mg, 0.185 mmol, prepared as described in Example 55, Part B) was suspended in dichloromethane (1.0 mL) in a 4-mL scintillation vial. 4-(Trifluoromethoxy)benzaldehyde (45.7 mg, 0.240 mmol, 1.3 equivalents) was added followed by triethylamine (0.051 mL, 0.369 mmol, 2.0 equiv). After stirring for 10 minutes, sodium triacetoxyborohydride (94 mg, 0.443 mmol, 2.4 equivalents) was added, and the reaction was stirred at room temperature for an additional four hours. The suspension was loaded directly onto a 4 g silica gel column and eluted with ethyl acetate (flow rate=18 mL/minute) over 20 minutes to give the title compound as a light yellow oil (42 mg, 50%). 1H NMR (400 MHz, CDCl3) δ ppm 8.03 (d, J=1.2 Hz, 1H), 7.93 (d, J=1.3 Hz, 1H), 7.35 (d, J=8.6 Hz, 2H), 7.17 (d, J=8.0 Hz, 2H), 5.44-5.24 (m, 1H), 4.10 (td, J=9.3, 4.5 Hz, 1H), 3.88 (dd, J=13.2, 5.2 Hz, 1H), 3.74 (dd, J=13.2, 2.0 Hz, 1H), 3.59 (s, 2H), 2.91 (dd, J=12.6, 6.8 Hz, 1H), 2.86-2.71 (m, 2H), 2.71-2.50 (m, 2H), 2.50-2.31 (m, 2H), 2.08-1.82 (m, 2H), 1.00-0.88 (m, 4H); MS (ESI+) m/z 463.1 (M+H)+; [a]D23.6=0.08 (c=0.17, CH3OH).

後処理

  1. stirringthe reaction was stirred at room temperature for an additional four hours
  2. washeluted with ethyl acetate (flow rate=18 mL/minute) over 20 minutes

出典と根拠

ORDレコード
ord-3a03b92c4ae3417b9fdfe106c265815f
出典データセット
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09382258B2

反応ノート

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