3-Methylpyridine-2-carboxaldehyde → {4-[(3-Methyl-pyridine-2-ylmethyl)-(3-phenyl-pyridin-2-ylmethyl)-amino]-cyclohexyl}-carbamic acid tert-butyl ester

HRID 251116Notes

Reaction equation

HRID 251116 reaction equation
[C:1]([O:5][C:6](=[O:28])[NH:7][CH:8]1[CH2:13][CH2:12][CH:11]([NH:14][CH2:15][C:16]2[C:21]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[CH:20][CH:19]=[CH:18][N:17]=2)[CH2:10][CH2:9]1)([CH3:4])([CH3:3])[CH3:2].[CH3:29][C:30]1[C:31]([CH:36]=O)=[N:32][CH:33]=[CH:34][CH:35]=1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>C(Cl)Cl>[C:1]([O:5][C:6](=[O:28])[NH:7][CH:8]1[CH2:13][CH2:12][CH:11]([N:14]([CH2:36][C:31]2[C:30]([CH3:29])=[CH:35][CH:34]=[CH:33][N:32]=2)[CH2:15][C:16]2[C:21]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[CH:20][CH:19]=[CH:18][N:17]=2)[CH2:10][CH2:9]1)([CH3:4])([CH3:2])[CH3:3]

Participants

5

Reactant 3

HCID 15018743-Methylpyridine-2-carboxaldehydeHCID 5049666Sodium triacetoxyborohydrideHCID 67272130{4-[(3-Phenyl-pyridin-2-ylmethyl)-amino]-cyclohexyl}-carbamic acid tert-butyl ester

Product 1

HCID 67271842{4-[(3-Methyl-pyridine-2-ylmethyl)-(3-phenyl-pyridin-2-ylmethyl)-amino]-cyclohexyl}-carbamic acid tert-butyl ester

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Using General Procedure B: Reaction of the above amine and 3-methyl-2-pyridinecarboxaldehyde in CH2Cl2 with NaBH(OAc)3 gave {4-[(3-methyl-pyridine-2-ylmethyl)-(3-phenyl-pyridin-2-ylmethyl)-amino]-cyclohexyl}-carbamic acid tert-butyl ester as a pale yellow oil. 1H NMR (CDCl3) δ 0.86 (q, 2H, J=10.8 Hz), 1.14 (q, 2H, J=11. Hz), 1.41 (s, 9H), 1.58 (d, 2H, J=11.7 Hz), 1.85 (s, 2H), 1.91 (s, 3H), 2.11 (s, 1H), 2.21 (s, 1H), 3.19 (br s, 1H), 3.80 (s, 2H), 3.84 (s, 2H), 4.23 (br s, 1H), 7.00 (dd, 1H, J=7.4, 5.1 Hz), 7.21-7.30 (m, 7H), 7.49 (dd, 1H, 7.8, 1.5 Hz), 8.25 (d, 1H, J=3.9 Hz), 8.53 (dd, 1H, J=4.8, 1.8 Hz). Conversion to the HBr salt using General Procedure D gave COMPOUND 259 as a pale yellow solid. 1H NMR (D2O) δ 1.29-1.48 (m, 4H), 1.90 (d, 2H, J=10.2 Hz), 2.02 (d, 2H, J=9.6 Hz), 2.37 (s, 3H), 2.66 (br t, 1H, J=8.1 Hz), 3.09 (br s, 1H), 4.12 (s, 2H), 4.35 (s, 2H), 7.42 (d, 2H, J=4.5 Hz), 7.59 (s, 3H), 7.81 (t, 1H, J=6.6 Hz), 8.01 (t, 1H, J=6.3 Hz), 8.28 (d, 1H, J=7.8 Hz), 8.45 (d, 1H, J=7.8 Hz), 8.51 (d, 1H, J=5.7 Hz), 8.77 (d, 1H, J=5.7 Hz). 13C NMR (D2O) δ 14.56, 17.18, 25.80, 29.46, 49.67, 50.80, 51.86, 60.40, 126.08, 126.54, 129.68, 130.35, 133.97, 137.79, 138.70, 140.93, 141.18, 148.35, 148.41, 150.54, 151.18. ES-MS m/z 387 [M+H]+. Anal. Calcd. for C25H30N4.3.3HBr.2.2CH3OH: C, 45.12; H, 5.86; N, 7.74; Br, 36.42. Found: C, 45.22; H, 5.69; N, 7.97; Br, 36.19.

Sources & evidence

ORD record
ord-ba6743ddae2245a1b33560c3bde5939a
Source dataset
uspto-grants-2011_01
Patent number
US07863293B2

Reaction notes

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