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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2386998Generated: November 2, 2026

N4-(2-aminoethyl)pyrimidine-2,4-diamine dihydrochloride → N4-{2-[(2-aminopyrimidin-4-yl)amino]ethyl}-8-phenyl-6,7,8,9-tetrahydro-5H-cyclohepta[d]pyrimidine-2,4-diamine

https://huagongshe.com/reaction/2386998

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN4-(2-aminoethyl)pyrimidine-2,4-diamine dihydrochlorideHCID 86638141—
Reactant2-amino-8-phenyl-6,7,8,9-tetrahydro-5H-cyclohepta[d]pyrimidin-4-yl 4-methylbenzenesulfonateHCID 86638147—
ProductN4-{2-[(2-aminopyrimidin-4-yl)amino]ethyl}-8-phenyl-6,7,8,9-tetrahydro-5H-cyclohepta[d]pyrimidine-2,4-diamineHCID 44609257—

Reaction Steps

The product from Example 11C (102 mg, 0.248 mmol) and the product from Example 1E (73 mg, 0.323 mmol) were treated under the conditions of Example 1F to afford the title compound. 1H NMR (300 MHz, DMSO-d6) δ ppm 1.09-1.29 (m, 2H) 1.70-2.02 (m, 3H) 2.22-2.63 (m, 2H) 2.71 (dd, J=15.47, 5.16 Hz, 1H) 3.06-3.27 (m, 2H) 3.34-3.50 (m, 3H) 5.56-5.65 (m, 2H) 5.70-5.78 (m, 1H) 5.87 (s, 2H) 6.52 (s, 1H) 6.90 (s, 1H) 7.10-7.34 (m, 5H) 7.61 (d, J=5.55 Hz, 1H); MS (ESI+) m/z 391.1 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08268846B2
Source datasetuspto-grants-2012_09
ORD IDord-b31c51eafd6c4c01a94449fe2732ed3b
Source noteuspto-grants-2012_09