Methyl chloroformate → (R)-methyl 2-((2-(2,6-difluoro-4-(methylcarbamoyl)phenyl)-5-methyl-1H-benzo[d]imidazol-1-yl)methyl)morpholine-4-carboxylate

HRID 41107ノート

反応式

HRID 41107 の反応式
FC(F)(F)C(O)=O.[F:8][C:9]1[CH:10]=[C:11]([CH:16]=[C:17]([F:36])[C:18]=1[C:19]1[N:23]([CH2:24][C@H:25]2[O:30][CH2:29][CH2:28][NH:27][CH2:26]2)[C:22]2[CH:31]=[CH:32][C:33]([CH3:35])=[CH:34][C:21]=2[N:20]=1)[C:12]([NH:14][CH3:15])=[O:13].Cl[C:38]([O:40][CH3:41])=[O:39].C(N(CC)C(C)C)(C)C>C(Cl)Cl>[F:36][C:17]1[CH:16]=[C:11]([C:12](=[O:13])[NH:14][CH3:15])[CH:10]=[C:9]([F:8])[C:18]=1[C:19]1[N:23]([CH2:24][C@H:25]2[O:30][CH2:29][CH2:28][N:27]([C:38]([O:40][CH3:41])=[O:39])[CH2:26]2)[C:22]2[CH:31]=[CH:32][C:33]([CH3:35])=[CH:34][C:21]=2[N:20]=1

参加物

5

反応物 3

HCID 6586Methyl chloroformateHCID 81531DiisopropylethylamineHCID 67173930(S)-3,5-difluoro-N-methyl-4-(5-methyl-1-(morpholin-2-ylmethyl)-1H-benzo[d]imidazol-2-yl)benzamide trifluoroacetic acid salt

生成物 1

HCID 52953140(R)-methyl 2-((2-(2,6-difluoro-4-(methylcarbamoyl)phenyl)-5-methyl-1H-benzo[d]imidazol-1-yl)methyl)morpholine-4-carboxylate収率 24.6%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

A mixture of (S)-3,5-difluoro-N-methyl-4-(5-methyl-1-(morpholin-2-ylmethyl)-1H-benzo[d]imidazol-2-yl)benzamide trifluoroacetic acid salt (150 mg, 0.37 mmol), methyl chloroformate (0.058 mL, 0.75 mmol), and N,N-diisopropylethylamine (0.072 mL, 0.41 mmol) in DCM (10.00 mL) was stirred at room temperature for 30 min. The mixture was then concentrated under reduced pressure, and the residue was purified on preparative HPLC MS using the short high pH shallow gradient method (mobile phase: 30-50% B; A: H2O with 10 mM NH4CO3 and 0.375% NH4OH v/v; B: CH3CN; 10 min run; XBridge Prep C18 OBD, Waters reverse phase column; column size: 30×50 mm; particle size: 5 μm). This produced to afford (R)-methyl 2-((2-(2,6-difluoro-4-(methylcarbamoyl)phenyl)-5-methyl-1H-benzo[d]imidazol-1-yl)methyl)morpholine-4-carboxylate (41.7 mg, 24% yield) as a solid. The solid was analyzed on analytical HPLC MS using the high pH gradient method (mobile phase: 5-95% B; A: H2O with 10 mM NH4CO3 and 0.375% NH4OH v/v; B: CH3CN; 2.25 min run; X-Bridge C18; column size: 2.1×30 mm; and particle size: 5 μm). MS m/z 459.3 [M+H]+ (ESI), Rt 1.58 min. 1H NMR (400 MHz, methanol-d4) δ ppm 2.50 (s, 3H) 2.54 (dd, J=4.49, 3.71 Hz, 1H) 2.69-2.84 (m, 1H) 2.96 (s, 3H) 3.25 (td, J=11.91, 2.73 Hz, 1H), 3.55-3.64 (m, 2H), 3.66 (s, 3H), 3.74 (d, J=12.89 Hz, 1H), 3.96 (d, J=12.89 Hz, 1H), 4.16 (dd, J=15.23, 7.42 Hz, 1H), 4.37 (dd, J=15.23, 3.12 Hz, 1H), 7.26 (dd, J=8.59, 1.17 Hz, 1H), 7.53 (s, 1H), 7.58 (d, J=8.59 Hz, 1H), 7.64 (d, J=8.59 Hz, 2H). HRMS m/z calcd for C23H25F2N4O4 459.1838 [M+H]+. found 459.1849.

後処理

  1. concentrationThe mixture was then concentrated under reduced pressure
  2. customthe residue was purified on preparative HPLC MS
  3. custom10 min
  4. customThis produced

出典と根拠

ORDレコード
ord-962ee4fb32174da2b7ab317398eb07d9
出典データセット
uspto-grants-2013_09
特許番号
US08530467B2

反応ノート

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