Hydrochloric Acid → [1-(6-{5-[4-(6-{2-[2-(2-Cyclopropyl-2-methoxycarbonylamino-acetyl)-2-aza-bicyclo[2.2.1]hept-3-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-5-aza-spiro[2.4]heptane-5-carbonyl)-2-methyl-propyl]-carbamic acid methyl ester

HRID 1185914Notes

Reaction equation

HRID 1185914 reaction equation
C(OC([N:8]1[CH:13]([C:14]2[NH:15][C:16]([C:19]3[CH:28]=[CH:27][C:26]4[C:21](=[CH:22][CH:23]=[C:24]([C:29]5[CH:34]=[CH:33][C:32]([C:35]6[NH:36][C:37]([CH:40]7[CH2:46][C:43]8([CH2:45][CH2:44]8)[CH2:42][N:41]7[C:47](=[O:57])[CH:48]([NH:52][C:53]([O:55][CH3:56])=[O:54])[CH:49]([CH3:51])[CH3:50])=[N:38][CH:39]=6)=[CH:31][CH:30]=5)[CH:25]=4)[CH:20]=3)=[CH:17][N:18]=2)[CH:12]2[CH2:58][CH:9]1[CH2:10][CH2:11]2)=O)(C)(C)C.Cl.[CH:60]1([CH:63]([NH:67][C:68]([O:70][CH3:71])=[O:69])[C:64]([OH:66])=O)[CH2:62][CH2:61]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CN1CCOCC1>CO.C(Cl)Cl>[CH3:56][O:55][C:53](=[O:54])[NH:52][CH:48]([C:47]([N:41]1[CH:40]([C:37]2[NH:36][C:35]([C:32]3[CH:33]=[CH:34][C:29]([C:24]4[CH:23]=[CH:22][C:21]5[C:26](=[CH:27][CH:28]=[C:19]([C:16]6[NH:15][C:14]([CH:13]7[CH:12]8[CH2:58][CH:9]([CH2:10][CH2:11]8)[N:8]7[C:64](=[O:66])[CH:63]([CH:60]7[CH2:61][CH2:62]7)[NH:67][C:68]([O:70][CH3:71])=[O:69])=[N:18][CH:17]=6)[CH:20]=5)[CH:25]=4)=[CH:30][CH:31]=3)=[CH:39][N:38]=2)[CH2:46][C:43]2([CH2:45][CH2:44]2)[CH2:42]1)=[O:57])[CH:49]([CH3:51])[CH3:50]

Participants

8

Procedure

To a slurry of 3-{5-[6-(4-{2-[5-(2-Methoxycarbonylamino-3-methyl-butyryl)-5-aza-spiro[2.4]hept-6-yl]-3H-imidazol-4-yl}-phenyl)-naphthalen-2-yl]-1H-imidazol-2-yl}-2-aza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester (0.05 g, 0.06 mmol) in MeOH (0.1 mL) was added HCl in dioxanes (4 M, 0.6 mL). The resulting solution was stirred at room temperature for 1 hour and the concentrated to dryness. Cyclopropyl-methoxycarbonylamino-acetic acid (0.02 g, 0.09 mmol, 1.5 equiv.) and CH2Cl2 (0.6 mL) were then added, followed by HATU (0.03 g, 0.08 mmol, 1.25 equiv.) and NMM (0.05 mL, 0.45 mmol, 5 equiv.). The resulting solution was stirred at room temperature for 18 hours. The reaction mixture was concentrated and purified by preparative HPLC (Gemini, 15→40% MeCN in H2O (0.1% formic acid)) and lyophilized to provide [1-(6-{5-[4-(6-{2-[2-(2-Cyclopropyl-2-methoxycarbonylamino-acetyl)-2-aza-bicyclo[2.2.1]hept-3-yl]-3H-imidazol-4-yl}-naphthalen-2-yl)-phenyl]-1H-imidazol-2-yl}-5-aza-spiro[2.4]heptane-5-carbonyl)-2-methyl-propyl]-carbamic acid methyl ester (0.03 g, 49%) as a white powder. LCMS-ESI+: calc'd for C48H54N8O6: 838.4 (M+). Found: 839.9 (M+H+). 1H-NMR: 400 MHz, (CDCl3) δ: (mixture of rotomers) 8.22 (s, 2H), 7.81-7.96 (m, 10H), 7.63 (d, 1H), 7.29 (d, 1H), 5.18 (t, 1H), 4.56 (d, 1H), 3.96 (t, 1H), 3.74 (m, 1H), 3.51 (s, 6H), 3.12 (t, 1H), 2.48 (s, 1H), 1.93-2.29 (m, 6H), 1.58-1.77 (m, 5H), 0.85 (d, 3H), 0.80 (d, 3H), 0.58 (m, 4H), 0.34 (m, 1H), 0.26 (m, 1H), 0.03 (m, 1H), −0.12 (m, 1H).

Workup

  1. concentrationthe concentrated to dryness
  2. stirringThe resulting solution was stirred at room temperature for 18 hours
  3. concentrationThe reaction mixture was concentrated
  4. custompurified by preparative HPLC (Gemini, 15→40% MeCN in H2O (0.1% formic acid))

Sources & evidence

ORD record
ord-e9daf58efd6d4184a219698ce6971c60
Source dataset
uspto-grants-2014_03
Patent number
US08669234B2

Reaction notes

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