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ChemicalBook CAS DataBase List 4-(2-CHLORO-4-PYRIMIDINYL)MORPHOLINE

4-(2-CHLORO-4-PYRIMIDINYL)MORPHOLINE synthesis

2synthesis methods
-

Yield:62968-37-0 98%

Reaction Conditions:

with N-ethyl-N,N-diisopropylamine in acetonitrile at 55; for 2 h;

Steps:

36.1 Step 1:

A mixture of 2,4-dichloropyrimidine (500 mg, 3.35 mmol), morpholine (292 mg, 3.35 mmol) and DIPEA (1.3 g, 10.05 mmol) in ACN (3 mL) was stirred at 55°C for 2 hours. The mixture was then concentrated in-vacuo and purified by flash chromatography on silica gel (Petroleum Ether/Ethyl Acetate = 2/1) to afford 4-(2-chloropyrimidin-4-yl)morpholine (660 mg, 98%) as a white solid. 1H NMR (300 MHz, CDCI3): d 3.66 (br s, 4H), 3.77-3.80 (m, 4H), 6.38-6.41 (m, 1H), 8.07-8.10 (m, 1H)

References:

WO2020/6497,2020,A1 Location in patent:Paragraph 00314

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