ホームMCPワークベンチSkills
ホームワークベンチ通知マイページ
llms.txt · MCPガイドプライバシーポリシー · 利用規約 · サポートv1.8.0
  1. ホーム
  2. /反応

Diisopropylethylamine → 4-Amino-1-(5-methanesulfonyl-2-pyridyl)-4-methylpiperidine

HRID 475423
ノート
印刷プレビュー

反応式

HRID 475423 の反応式
Cl.C(OC(=O)[NH:11][C:12]1([CH3:18])[CH2:17][CH2:16][NH:15][CH2:14][CH2:13]1)C1C=CC=CC=1.Br[C:21]1[CH:26]=[CH:25][C:24]([S:27]([CH3:30])(=[O:29])=[O:28])=[CH:23][N:22]=1.C(N(C(C)C)CC)(C)C>O1CCOCC1>[CH3:30][S:27]([C:24]1[CH:25]=[CH:26][C:21]([N:15]2[CH2:14][CH2:13][C:12]([NH2:11])([CH3:18])[CH2:17][CH2:16]2)=[N:22][CH:23]=1)(=[O:29])=[O:28]
参加物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 81531DiisopropylethylamineHCID 98994832-Bromo-5-(methylsulfonyl)pyridineHCID 24728615Benzyl (4-methylpiperidin-4-yl)carbamate hydrochloride

生成物 1

HCID 178609824-Amino-1-(5-methanesulfonyl-2-pyridyl)-4-methylpiperidine収率 72.6%

試薬・触媒・溶媒 1

HCID 312751,4-Dioxane溶媒

実験手順

A solution of (4-methyl-piperidin-4-yl)-carbamic acid benzyl ester hydrochloride salt (0.37 g, 1.3 mmol, Example 30B), 2-bromo-5-(methylsulfonyl)pyridine (0.27 g, 1.15 mmol) and diisopropylethylamine (0.7 mL) in dioxane (4 mL) in a scaled tube was heated to 80° C. for 16 hours. The mixture was cooled, concentrated under reduced pressure and purified by chromatography (silica gel, eluting with 5% hexane/ethyl acetate to 25% ethyl acetate/hexane) to provide the titled compound (0.225 g) as a white solid. MS (CI) m/z 404 (M+L)+; 1H NMR (300 MHz, CDCl3) δ ppm 8.63 (d, 1H), 7.86 (dd, 1H), 7.37 (m, 5H), 6.65 (d, 1H), 5.07 (s, 2H), 4.67 (s, 1H), 4.04-3.96 (m, 2H), 3.49-3.39 (m, 2H), 3.03 (s, 3H), 2.19-2.12 (m, 2H), 1.71-1.61 (m, 2H), 1.41 (s, 3H).

後処理

  1. temperatureThe mixture was cooled
  2. concentrationconcentrated under reduced pressure
  3. custompurified by chromatography (silica gel, eluting with 5% hexane/ethyl acetate to 25% ethyl acetate/hexane)

出典と根拠

ORDレコード
ord-69c3c842b2e5417087173628a635160a
出典データセット
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08637546B2

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