2-Chloromethylbenzimidazole → 2-[6-(3-Amino-piperidin-1-yl)-3-(1H-benzoimidazol-2-ylmethyl)-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl]-benzonitrile

HRID 505898Notes

Reaction equation

[NH2:1][C@@H:2]1[CH2:7][CH2:6][CH2:5][N:4]([C:8]2[N:13]([CH2:14][C:15]3[CH:22]=[CH:21][CH:20]=[CH:19][C:16]=3[C:17]#[N:18])[C:12](=[O:23])[N:11]([CH2:24]C3C=CC=C(C#N)C=3)[C:10](=[O:33])[CH:9]=2)[CH2:3]1.ClC[C:36]1[NH:37][C:38]2[CH:44]=[CH:43][CH:42]=[CH:41][C:39]=2[N:40]=1>>[NH2:1][CH:2]1[CH2:7][CH2:6][CH2:5][N:4]([C:8]2[N:13]([CH2:14][C:15]3[CH:22]=[CH:21][CH:20]=[CH:19][C:16]=3[C:17]#[N:18])[C:12](=[O:23])[N:11]([CH2:24][C:36]3[NH:40][C:39]4[CH:41]=[CH:42][CH:43]=[CH:44][C:38]=4[N:37]=3)[C:10](=[O:33])[CH:9]=2)[CH2:3]1

Participants

Reactant 2

HCID 785712-Chloromethylbenzimidazole

HCID 117750342-{6-[3(R)-Amino-piperidin-1-yl]-3-(3-cyano-benzyl)-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl}-benzonitrile

Product 1

HCID 117754132-[6-(3-Amino-piperidin-1-yl)-3-(1H-benzoimidazol-2-ylmethyl)-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl]-benzonitrile

Procedure

Title compound 20 was prepared by the methods used in the preparation of compound 17, except that 2-chloromethyl benzimidazole was used in the place of m-cyano-benzyl bromide. 1H-NMR (400 MHz, CDCl3-CD3OD 10:1) δ 7.67 (d, J=3.0 Hz, 1H), 7.65-7.56 (m, 2H), 7.47 (d, J=3.3 Hz, 2H), 7.46 (d, J=3.3 Hz, 1H), 7.37-7.40 (m, 2H), 5.52 (s, 3H), 5.23 (s, 2H), 3.51 (d, J=9.6 Hz, 1H), 3.36 (m, 1H), 2.87-2.92 (m, 2H), 2.64-2.72 (m, 1H), 2.09 (m, 1H), 1.76 (m, 1H), 1.52-1.64 (m, 2H). MS (ES) [m+H] calc'd for C25H26N7O2, 456.2; found 456.2.

Sources & evidence

ORD record: ord-69f2a65109674a84973174b6554a4f30
Source dataset: uspto-grants-2010_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07781584B2

Reaction notes

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