Synthesis and Characterization of Novel Diol, Diacid and Di-isocyanate from Oleic Acid
作者:Latchmi Raghunanan、Jin Yue、Suresh S. Narine
DOI:10.1007/s11746-013-2376-z
日期:2014.2
Novel linear diol 2, diacid 3, and diisocyanate 4 with functional groups located at each end of the chain have been produced from oleic acid via a diester precursor. All the compounds were fully characterized by IR, 1H NMR, 13C NMR and Mass Spectrometry. These unbranched terminally‐functionalized compounds are important monomers for the manufacture of biodegradable thermoplastic polyurethanes and polyesters
具有功能性基团位于链的每个末端的新型直链二醇2,二酸3和二异氰酸酯4是通过二酯前体由油酸制备的。通过IR,1 H NMR,13 C NMR和质谱对所有化合物进行充分表征。这些未支化的末端官能化化合物是制造可生物降解的热塑性聚氨酯和聚酯的重要单体。通用的合成方案也应证明可用于由任何不饱和脂肪酸合成二醇,二酸和二异氰酸酯。
LIPIDS AND LIPID COMPOSITIONS FOR THE DELIVERY OF ACTIVE AGENTS
申请人:Novartis AG
公开号:EP4019506A1
公开(公告)日:2022-06-29
This invention provides for a compound of formula (I):
or a pharmaceutically acceptable salt thereof, wherein R1-R3, n, p, L1 and L2 are defined herein. The compounds of formula (I) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
Thermoplastic polyester amides derived from oleic acid
作者:Jiaqing Zuo、Shaojun Li、Laziz Bouzidi、Suresh S. Narine
DOI:10.1016/j.polymer.2011.08.002
日期:2011.9
Three lipid-based Polyester Amides (PEAS) with varying ratios of ester and amide linkages were synthesized. Oleic acid was used as the starting material to produce the intermediates, characterized by MS and NMR, used for polymerization. PEAs were characterized by FTIR and GPC. The PEAs were constrained to have similar number average molecular weights, in the 2 x 10(4) range, thereby enabling comparison of their physical properties from a structural perspective. The thermal behavior of the polymers was assessed by DSC. DMA and TGA. Thermal degradation was not affected by ester/amide ratios, but T(g) increased non-linearly with decreasing ester/amide ratios and correlated with hydrogen-bond density and repeating unit chain length. Crystallinity was studied by XRD and DSC. Degree of crystallization and multiple melting behavior as a function of cooling kinetics were explained well by hydrogen-bond density, repeating unit chain length and density of ester moieties. Mechanical properties were investigated by DMA and Tensile Analysis, with a non-linear increase of storage and tensile moduli recorded as a function of decreasing ester/amide ratios. The findings suggest how approaches to the synthesis of lipid-based PEAs can be targeted to the delivery of specific physical properties. (C) 2011 Elsevier Ltd. All rights reserved.
Hara; Kaneko, Bulletin de la Societe de Chimie Biologique, 1964, vol. 46, p. 339,346
作者:Hara、Kaneko
DOI:——
日期:——
Strategies for synthesis of epoxy resins from oleic acid derived from food wastes
作者:Theodore Hayes、Yingxue Hu、Sandra A. Sanchez-Vazquez、Helen C. Hailes、Abil E. Aliev、Julian R. G. Evans
DOI:10.1002/pola.28203
日期:2016.10.1
biomass‐sourced chemical feedstocks creates a conflict over land use between food and fuel/chemical production. Such conflict could be reduced by making use of the annual 1.3 Pg food waste resource. Oleicacid is available from seed oils such as pumpkin, grape, avocado and mango. Its esterification with diols 1,3‐propanediol, resorcinol and orcinol was used to form diesters and the naturally occurring norspermidine