7726-03-6Relevant articles and documents
B-cholesterol-reducingoxidation derivativeand synthesis method and application thereof
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Paragraph 0042; 0043; 0047, (2019/06/30)
The invention provides a B-cholesterol-reducingoxidation derivative. The structural formula of the compound is as shown in the description, wherein, R is CH3 or CH3CH2CH2 or CH3CH2CH2CH2. The B-cholesterol-reducingoxidation derivativecompound can significantly inhibit growth and proliferation of tumor cellsof human breast cancer cells, human ductalbreast cancer cells and human ovarian cancer cells,and can be used as drug intermediates or drugs and applied to manufacturing and use of different drugs.
Synthesis and characterization of side-chain cholesterol derivatives based on double bond
Yu, Yun-Long,Bai, Jun-Wei,Zhang, Jun-Hua
experimental part, p. 1 - 6 (2012/08/08)
After steps of esterification, epoxidation and ring-opening, a series of novel monomers of 5-hydroxyl-6-methacryloyloxy-3-alkylate, CnCOOCh (n = 1, 2, 3, 4, 5) were synthesized. After that, the corresponding polymers (PnCOOCh, n = 1, 2, 3, 4, 5) were obtained by free radical polymerization. The molecular structure, composition and thermal behaviors of monomers and polymers were confirmed by 1H NMR, FTIR, single crystal diffractometer, GPC, DSC and TGA. The results indicate that although their molecular weights are not high, all the polymers have high glass transition (Tg) and degradation temperature. In addition, Tg gradually decreases with increasing of alkyl chain lengths, and the degradation temperature increases with the increase of carbon number.