Continuously updated synthesis method about 111-95-5

The chemical industry reduces the impact on the environment during synthesis 111-95-5. I believe this compound will play a more active role in future production and life.

The chemical industry reduces the impact on the environment during synthesis 111-95-5, name is Bis(2-methoxyethyl)amine, I believe this compound will play a more active role in future production and life. 111-95-5

Intermediate B: /V,/V-bis(2-Methoxyethyl)hex-5-ynamide.12To a solution of hex-5-ynoic acid (7.1 1 g, 63.4 mmol), EDC.HCI (14.0 g, 72.9 mmol) and DMAP (387 mg, 3.17 mmol) in DCM (600 mL) at 0C was added bis{2- methoxyethyl)amine (9.3 mL, 63 mmol). The resulting mixture was warmed to RT for 20 hr and was then washed with hydrochloric acid (1 M, 2 x 500 mL) and water (500 mL). The organic layer was dried and evaporated in vacuo to afford the title compound, Intermediate B, as a yellow oil (16 g, 97%): 1H NMR (400 MHz, CDCI3) delta: 1 .88 (3H, m), 2.26 (2H, m), 2.49 (2H, m), 3.32 (6H, s), 3.51 (4H, m), 3.55 (4H, m)

The chemical industry reduces the impact on the environment during synthesis 111-95-5. I believe this compound will play a more active role in future production and life.

Reference:
Patent; RESPIVERT LIMITED; KING-UNDERWOOD, John; ITO, Kazuhiro; MURRAY, Peter John; HARDY, George; BROOKFIELD, Frederick Arthur; BROWN, Christopher John; WO2012/52753; (2012); A1;,
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