Hydrochloric Acid → 2-{6-[3(R)-Amino-piperidin-1-yl]-5-chloro-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl}-benzonitrile

Participants

Role	Name	HCID	Charge
Reactant	Hydrochloric Acid	HCID 313	—
Reactant	2-[[6-(3-Aminopiperidin-1-yl)-3-methyl-2,4-dioxopyrimidin-1-yl]methyl]benzonitrile;benzoic acid	HCID 66697752	—
Solvent	Tetrahydrofuran	HCID 8028	—
Solvent	1,4-Dioxane	HCID 31275	—
Product	2-{6-[3(R)-Amino-piperidin-1-yl]-5-chloro-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-ylmethyl}-benzonitrile	HCID 11210588	—

Reaction Steps

Compound 4 (100 mg) in THF (2 mL) was treated with 4M HCl in dioxane (1 mL) at rt for 1 h, concentrated, and then purified by LC-MS to give the title compound. 1H-NMR (400 MHz, DMSO-D6): δ ppm 12.0 (s, 1H), 7.88 (d, J=7.6 Hz, 1H), 7.68 (t, J=7.7 Hz, 1H), 7.49 (t, J=7.7 Hz, 1H), 7.36 (d, J=7.8 Hz, 1H), 5.09-5.21 (m, 2H), 3.17 (m, 2H), 2.96 (t, J=11.1 Hz, 1H), 2.86 (d, J=10.6 Hz, 1H), 2.65 (m, 1H), 1.90 (d, J=11.6 Hz, 1H), 1.57 (d, J=13.1 Hz, 1H), 1.19-1.31 (m, 1H), 1.03-1.15 (m, 1H). MS (ES) [m+H] calc'd for C17H19ClN5O2, 360.1; found, 360.1.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US07906523B2
Source dataset	uspto-grants-2011_03
ORD ID	ord-1175982679dc41bc8d436e0dac872e81
Source note	uspto-grants-2011_03