Diisopropylethylamine → Trifluoroacetic acid

HRID 713339

反応式

HRID 713339 の反応式
[OH:1][C:2]([C:4]([F:7])([F:6])[F:5])=[O:3].[F:8][CH:9]([F:37])[CH2:10][NH:11][C:12]1[N:17]=[C:16]2[CH2:18][NH:19][CH2:20][CH2:21][C:15]2=[N:14][C:13]=1[N:22]1[CH2:27][CH2:26][CH:25]([O:28][C:29]2[CH:34]=[CH:33][C:32]([F:35])=[CH:31][C:30]=2[F:36])[CH2:24][CH2:23]1.CCN(C(C)C)C(C)C.FC(F)C(OC(=O)C(F)F)=O>C(Cl)Cl.CN(C=O)C>[F:37][CH:9]([F:8])[CH2:10][NH:11][C:12]1[N:17]=[C:16]2[CH2:18][N:19]([C:2](=[O:1])[CH:4]([F:7])[F:5])[CH2:20][CH2:21][C:15]2=[N:14][C:13]=1[N:22]1[CH2:23][CH2:24][CH:25]([O:28][C:29]2[CH:34]=[CH:33][C:32]([F:35])=[CH:31][C:30]=2[F:36])[CH2:26][CH2:27]1.[C:2]([OH:3])([C:4]([F:7])([F:6])[F:5])=[O:1]

参加物

7

反応物 3

HCID 81531DiisopropylethylamineHCID 2774048Difluoroacetic anhydrideHCID 131734033N-(2,2-difluoroethyl)-2-(4-(2,4-difluorophenoxy)piperidin-1-yl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazin-3-amine TFA salt

生成物 2

HCID 6422Trifluoroacetic acid収率 187.9%HCID 1181592931-(3-(2,2-difluoroethylamino)-2-(4-(2,4-difluorophenoxy)piperidin-1-yl)-7,8-dihydropyrido[3,4-b]pyrazin-6(5H)-yl)-2,2-difluoroethanone

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 6344Dichloromethane溶媒

実験手順

A solution of N-(2,2-difluoroethyl)-2-(4-(2,4-difluorophenoxyl)piperidin-1-yl)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazin-3-amine TFA salt (15 mg, 0.028 mmol), DIPEA (10.8 mg, 0.083 mmol), and 2,2-difluoroacetic anhydride (7.3 mg, 0.042 mmol) in DCM (278 μL) was stirred at room temperature for 2 h. The crude reaction mixture was diluted in DMF, filtered through a hydrophilic PTFE 0.45 μm filter (Millipore® Millex-LCR), and purified via HPLC Method A to give the title compound as a TFA salt (3 mg) as a clear oil. 1H NMR (400 MHz, methanol-d4, mixture of rotamers) δ ppm 1.92-2.02 (m, 2H), 2.09-2.17 (m, 2H), 2.80 (t, J=5.9 Hz, 0.8H), 2.86 (t, J=5.4 Hz, 1.2H), 2.96-3.04 (m, 2H), 3.34-3.43 (m, 2H), 3.77 (td, J=14.3, 4.0 Hz, 2H), 3.90 (t, J=5.8 Hz, 1.2H), 3.93 (t, J=6.1 Hz, 0.8H), 4.46 (tt, J=7.6, 3.7 Hz, 1H), 4.61 (s, 0.8H), 4.63 (s, 1.2H), 5.89-6.21 (m, 1H), 6.42-6.71 (m, 1H), 6.84-6.91 (m, 1H), 6.98 (ddd, J=11.2, 8.5, 3.0 Hz, 1H), 7.17 (td, J=9.2, 5.6 Hz, 1H); ESI-MS m/z [M+H]+ 504.4.

後処理

  1. customThe crude reaction mixture
  2. filtrationfiltered through a hydrophilic PTFE 0.45 μm
  3. filtrationfilter (Millipore® Millex-LCR)
  4. custompurified via HPLC Method A

出典と根拠

ORDレコード
ord-4b7b55bb20094237af6798e31c860d02
出典データセット
uspto-grants-2015_11
特許番号
US09181249B2

関連ノート

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