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ChemicalBook CAS DataBase List 1,8-Diamino-3,6-dioxaoctane
929-59-9

1,8-Diamino-3,6-dioxaoctane synthesis

11synthesis methods
-

Yield:929-59-9 81%

Reaction Conditions:

with ammonium hydroxide;tetrabutylammomium bromide in dichloromethane at 45; for 12 h;

Steps:

5
Dissolve 9.1 mmol of MsO-PEG2-OMs in a small amount of dichloromethane.Excess ammonia water, 2 mmol of tetrabutylammonium bromide was added, followed by stirring at 45 ° C for 12 h.Spin dry, distilled under reduced pressure to give the product 7.37 mmol NH2-PEG2-NH2.Yield: 81%.

References:

Hunan Huateng Pharmaceutical Co., Ltd.;Deng Zeping;Luo Rong;Cheng Jia;Li Hu;Zhang Anlin CN107840817, 2018, A Location in patent:Paragraph 0046; 0048

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