1,8-Diamino-3,6-dioxaoctane synthesis
- Product Name:1,8-Diamino-3,6-dioxaoctane
- CAS Number:929-59-9
- Molecular formula:C6H16N2O2
- Molecular Weight:148.2
80322-82-3
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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
59559-06-7
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59086-77-0
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31255-11-5
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929-59-9
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112-26-5
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