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ChemicalBook CAS DataBase List 4-(2-Chloroethyl)morpholine
3240-94-6

4-(2-Chloroethyl)morpholine synthesis

6synthesis methods
-

Yield:3240-94-6 74%

Reaction Conditions:

with thionyl chloride;N,N-dimethyl-formamide in dichloromethane at 0 - 40;

Steps:

2.2 Synthesis of 4-(2-chloroethyl)morpholine
To a stirred solution of 2-morpholinoethan-l-ol (step 1, 2.5 g, 13.88 mmol, 1.0 eq) in DCM (25 ml) at 0 °C then added thionyl chloride (5.06 mL, 69.44 mmol, 5.0 eq) followed by DMF (Cat.). The reaction mixture was heated to 40 °C for overnight. After completion of the reaction (monitored by TLC), the solvent was evaporated in vacuo providing a crude residue, which was diluted with DCM and washed with saturated sodium bicarbonate solution. Organic layer was concentrated under reduced preesure gave crude residue which was purified by column chromatography by using 3% MeOH in DCM as an eluent to afford the desired compound (2.0 g, yield: 74.0%) as a colour less liquid. 1H NMR (DMSO-d6, 300MHz): δ 3.69 (t, J = 6.9 Hz, 2H), 3.57 (m, J = 4.5 Hz, 4H), 2.64 (t, J = 6.9 Hz, 2H) and 2.43 (t, J = 4.5 Hz, 4H); Mass: [M+H]+149.95 (10%).

References:

HETERO LABS LIMITED;BANDI, Parthasaradhi Reddy;KURA, Rathnakar Reddy;GAZULA LEVI, David Krupadanam;ADULLA, Panduranga Reddy;MUKKERA, Venkati;NEELA, Sudhakar WO2017/149518, 2017, A1 Location in patent:Page/Page column 25; 26

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