5'-Methylspiro[chromane-4,2'-imidazole]-4',6-diamine → N-(4'-amino-5'-methylspiro[chroman-4,2'-imidazole]-6-yl)-5-(but-2-ynyloxy)picolinamide

HRID 1770933Notes

Reaction equation

HRID 1770933 reaction equation
[CH2:1]([O:5][C:6]1[CH:7]=[CH:8][C:9]([C:12]([OH:14])=O)=[N:10][CH:11]=1)[C:2]#[C:3][CH3:4].[CH3:15][C:16]1[C:17]([NH2:31])=[N:18][C:19]2([C:29]3[C:24](=[CH:25][CH:26]=[C:27]([NH2:30])[CH:28]=3)[O:23][CH2:22][CH2:21]2)[N:20]=1>>[NH2:31][C:17]1[C:16]([CH3:15])=[N:20][C:19]2([C:29]3[C:24](=[CH:25][CH:26]=[C:27]([NH:30][C:12](=[O:14])[C:9]4[CH:8]=[CH:7][C:6]([O:5][CH2:1][C:2]#[C:3][CH3:4])=[CH:11][N:10]=4)[CH:28]=3)[O:23][CH2:22][CH2:21]2)[N:18]=1

Participants

3

Reactant 2

HCID 679794075'-Methylspiro[chromane-4,2'-imidazole]-4',6-diamine2×HCID 679795075-(But-2-ynyloxy)picolinic acid2×

Product 1

HCID 57385113N-(4'-amino-5'-methylspiro[chroman-4,2'-imidazole]-6-yl)-5-(but-2-ynyloxy)picolinamideYield 16%

Procedure

The title compound (15 mg, 16% yield) was prepared as described for Example 13a starting from 5-(but-2-ynyloxy)picolinic acid (Intermediate 19, 45 mg, 0.24 mmol) and 5′-methylspiro[chroman-4,2′-imidazole]-4′,6-diamine (Intermediate 30, 54.7 mg, 0.24 mmol): 1H NMR (500 MHz, CDCl3) δ ppm 1.87 (t, 3H), 2.03 (m, 1H), 2.30 (m, 1H), 2.39 (m, 3H), 4.50 (m, 1H), 4.62 (m, 1H), 4.76 (m, 2H), 6.92 (d, 1H), 6.98 (m, 1H), 7.41 (dd, 1H), 7.49 (m, 1H), 8.18 (d, 1H), 8.28 (d, 1H), 9.61 (s, 1H); MS (ES+) m/z 404 [M+H]+.

Sources & evidence

ORD record
ord-d0690ede4aa5488b81bb9b33676e883e
Source dataset
uspto-grants-2016_02
Patent number
US09248129B2

Reaction notes

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