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Triethylamine → N-(4-((1R,3S)-3-aminocyclohexyl)pyridin-3-yl)-6-(2,6-difluorophenyl)-5-fluoropicolinamide

HRID 2046893
ノート
印刷プレビュー

反応式

HRID 2046893 の反応式
Br[C:2]1[N:7]=[C:6]([C:8]([NH:10][C:11]2[CH:12]=[N:13][CH:14]=[CH:15][C:16]=2[C@@H:17]2[CH2:22][CH2:21][CH2:20][C@H:19]([N:23]3C(=O)C4C(=CC=CC=4)C3=O)[CH2:18]2)=[O:9])[CH:5]=[CH:4][C:3]=1[F:34].[F:35][C:36]1[CH:41]=[CH:40][CH:39]=[C:38]([F:42])[C:37]=1B(O)O.C(N(CC)CC)C>CCO.C1(C)C=CC=CC=1>[NH2:23][C@H:19]1[CH2:20][CH2:21][CH2:22][C@@H:17]([C:16]2[CH:15]=[CH:14][N:13]=[CH:12][C:11]=2[NH:10][C:8](=[O:9])[C:6]2[CH:5]=[CH:4][C:3]([F:34])=[C:2]([C:37]3[C:36]([F:35])=[CH:41][CH:40]=[CH:39][C:38]=3[F:42])[N:7]=2)[CH2:18]1
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 8471TriethylamineHCID 27343362,6-Difluorophenylboronic acidHCID 866397336-bromo-N-(4-((1R,3S)-3-(1,3-dioxoisoindolin-2-yl)-cyclohexyl)pyridin-3-yl)-5-fluoropicolinamide

生成物 1

HCID 59226389N-(4-((1R,3S)-3-aminocyclohexyl)pyridin-3-yl)-6-(2,6-difluorophenyl)-5-fluoropicolinamide

試薬・触媒・溶媒 1

HCID 21863594Toluene ethanol
溶媒

実験手順

A solution of 6-bromo-N-(4-((1R,3S)-3-(1,3-dioxoisoindolin-2-yl)-cyclohexyl)pyridin-3-yl)-5-fluoropicolinamide (1.0 equiv), 2,6-difluorophenyl boronic acid (3.0 equiv.), tetrakistriphenylphosphine (0.2 equiv.) and triethylamine (3.0 equiv.) in 1:1 EtOH/toluene (0.1 M) was heated at 120° C. with microwave irradiation for 1200 seconds. Upon cooling, removal of the volatiles in vacuo, the Suzuki product was directly purified by reverse phase HPLC. The product fraction was lyophilized and the resulting phthalimide group was deprotected as described in Method 9 yielding, after RP HPLC purification and lyophilization, N-(4-((1R,3S)-3-aminocyclohexyl)pyridin-3-yl)-6-(2,6-difluorophenyl)-5-fluoropicolinamide as the TFA salt. LCMS (m/z): 427.2 (MH+); LC Rt=2.26 min.

後処理

  1. temperatureUpon cooling
  2. customremoval of the volatiles in vacuo
  3. customthe Suzuki product was directly purified by reverse phase HPLC
  4. customafter RP HPLC purification and lyophilization, N-(4-((1R,3S)-3-aminocyclohexyl)pyridin-3-yl)-6-(2,6-difluorophenyl)-5-fluoropicolinamide as the TFA salt

出典と根拠

ORDレコード
ord-5f512467fba64b839a1114c2f3bc4fb2
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08592455B2

反応ノート

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