Serinol → 2-(1,3-Dihydroxyprop-2-ylamino)-8-isopropyl-4-[4-(pyridin-2-yl)benzylamino]pyrazolo[1,5-a]-1,3,5-triazine

HRID 2363691Notes

Reaction equation

[OH:1][CH2:2][C@H:3]([NH:6][C:7]1[N:12]=[C:11]([NH:13][CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][N:22]=3)=[CH:17][CH:16]=2)[N:10]2[N:27]=[CH:28][C:29]([CH:30]([CH3:32])[CH3:31])=[C:9]2[N:8]=1)[CH2:4]C.NC(CO)C[OH:36]>>[OH:36][CH2:4][CH:3]([NH:6][C:7]1[N:12]=[C:11]([NH:13][CH2:14][C:15]2[CH:16]=[CH:17][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][N:22]=3)=[CH:19][CH:20]=2)[N:10]2[N:27]=[CH:28][C:29]([CH:30]([CH3:31])[CH3:32])=[C:9]2[N:8]=1)[CH2:2][OH:1]

Participants

Reactant 2

HCID 68294Serinol

HCID 46910588(2R)-2-[[8-isopropyl-4-[[4-(2-pyridyl)phenyl]methylamino]pyrazolo[1,5-a][1,3,5]triazin-2-yl]amino]butan-1-ol

Product 1

HCID 469108512-(1,3-Dihydroxyprop-2-ylamino)-8-isopropyl-4-[4-(pyridin-2-yl)benzylamino]pyrazolo[1,5-a]-1,3,5-triazineYield 30%

Procedure

According to the same conditions resulting in the preparation of the compound 2, the compound 17 is prepared from IIa.2 by oxidation reaction of the sulfur atom and then introduction of serinol. Yield=30%. Oil. 1H NMR (300 MHz, CDCl2): δ 8.68 (d, 1H, J=4.4 Hz, Harom), 7.96 (d, 2H, J=8.3 Hz, Harom), 7.79-7.69 (m, 2H, Harom) 7.64 (s, 1H, Harom) 7.45 (d, 2H, J=8.3 Hz, Harom) 7.26-7.21 (m, 1H, Harom), 6.80 (bs, 1H, NH), 5.71 (bs, 1H, NH), 4.77 (d, 2H, J=5.9 Hz, CH2), 4.08-4.95 (m, 1H, CH), 3.92-3.80 (m, 4H, 2 CH2), 3.02 (hept, 1H, J=7.0 Hz, CH), 1.28 (d, 6H, J=7.0 Hz, 2 CH3). MS (ESI): m/z 434 (MH+).

Sources & evidence

ORD record: ord-7e0c3cfcc28342e9bb6e6943b43f7794
Source dataset: uspto-grants-2014_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08691982B2

Reaction notes

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