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Hydrochloric Acid → (S)-2-(tert-butoxy)-2-(5-(4-(4-fluoro-phenethoxy)phenyl)-4-(3-isopropylazetidin-1-yl)-2,6-dimethylpyridin-3-yl)acetic acid

HRID 718463
ノート
印刷プレビュー

反応式

HRID 718463 の反応式
[OH-].[Na+].[C:3]([O:7][C@@H:8]([C:15]1[C:16]([CH3:45])=[N:17][C:18]([CH3:44])=[C:19]([C:28]2[CH:33]=[CH:32][C:31]([O:34][CH2:35][CH2:36][C:37]3[CH:42]=[CH:41][C:40]([F:43])=[CH:39][CH:38]=3)=[CH:30][CH:29]=2)[C:20]=1[N:21]1[CH2:24][CH:23]([CH:25]([CH3:27])[CH3:26])[CH2:22]1)[C:9]([O:11]C(C)C)=[O:10])([CH3:6])([CH3:5])[CH3:4].Cl>C(O)C>[C:3]([O:7][C@@H:8]([C:15]1[C:16]([CH3:45])=[N:17][C:18]([CH3:44])=[C:19]([C:28]2[CH:29]=[CH:30][C:31]([O:34][CH2:35][CH2:36][C:37]3[CH:42]=[CH:41][C:40]([F:43])=[CH:39][CH:38]=3)=[CH:32][CH:33]=2)[C:20]=1[N:21]1[CH2:24][CH:23]([CH:25]([CH3:27])[CH3:26])[CH2:22]1)[C:9]([OH:11])=[O:10])([CH3:6])([CH3:4])[CH3:5]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 118307787(S)-isopropyl 2-(tert-butoxy)-2-(5-(4-(4-fluorophenethoxy)phenyl)-4-(3-isopropylazetidin-1-yl)-2,6-dimethylpyridin-3-yl)acetate

生成物 1

HCID 118307677(S)-2-(tert-butoxy)-2-(5-(4-(4-fluoro-phenethoxy)phenyl)-4-(3-isopropylazetidin-1-yl)-2,6-dimethylpyridin-3-yl)acetic acid収率 74%

試薬・触媒・溶媒 1

HCID 702
Ethanol
溶媒

反応条件

温度
90 °C

実験手順

The 0.98 mL of 1M sodium hydroxide (39.3 mg, 0.98 mmol) was added to a solution (S)-isopropyl 2-(tert-butoxy)-2-(5-(4-(4-fluorophenethoxy)phenyl)-4-(3-isopropylazetidin-1-yl)-2,6-dimethylpyridin-3-yl)acetate (145 mg, 0.245 mmol) in ethanol (3 mL) and stirred for 18 h at 90° C. The reaction mixture was neutralized with 1N HCl solution, extracted with EtOAc, and the organic layer was washed with brine, and dried (MgSO4). The crude material was purified by prep HPLC to afford (S)-2-(tert-butoxy)-2-(5-(4-(4-fluoro-phenethoxy)phenyl)-4-(3-isopropylazetidin-1-yl)-2,6-dimethylpyridin-3-yl)acetic acid 99.4 mg (74%) as a mixture of diastereomers. 1H NMR (500 MHz, DMSO-d6) δ 7.36 (t, J=8.1 Hz, 2H), 7.30 (br. s, 1H), 7.12 (t, J=8.8 Hz, 2H), 7.1 (d, J=8.1 Hz, 1H), 6.97 (d, J=8.1 Hz, 1H), 6.86 (br. s, 1H), 4.93 (s, 1H), 4.21 (t, J=6.6 Hz, 2H) 3.96 (br. s, 1H), 3.86 (br. s, 1H), 3.70 (br. s, 1H), 3.47 (br. s, 1H), 3.03 (t, J=6.2 Hz, 2H), 2.39 (s, 3H), 2.07 (s, 3H), 2.05-2.01 (m, 1H), 1.52-1.47 (m, 1H), 1.08 (s, 9H), 0.65 (d, J=6.2 Hz, 6H). UPLC (M+H)=549.5.

後処理

  1. extractionextracted with EtOAc
  2. washthe organic layer was washed with brine
  3. dry with materialdried (MgSO4)
  4. customThe crude material was purified by prep HPLC

出典と根拠

ORDレコード
ord-2006ae40cfc64a4d927e4a9492f87834
出典データセット
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09193720B2

反応ノート

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