CAS: 7735-43-5; 1,20-Eicosanediol

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二十烷二酸二甲酯置于lithium Aluminium Tetrahydride体系中,用 四氢呋喃 作为反应溶剂,化学反应 15.0H,以100%的收率获得产物1,20-二十烷二醇
参考文献:利用大环菲咯啉-Cu配合物催化活性的[3]轮烷的合成:轴前体长度的显着影响
标题:利用大环菲咯啉-Cu配合物催化活性的[3]轮烷的合成:轴前体长度的显着影响
摘要:[3]轮烷烷由一种大环三[4'-环己基-(1,1'-联苯)-4-基]甲基与炔烃化合物氧化二聚制备,它由一种大环菲咯啉化合物和两个车轴组分组成阻止组.大环菲咯啉-Cu配合物的催化活性被用于将两个轴组件穿入环中.带有15个或20个亚甲基链的炔烃化合物可高产率地得到[3]轮烷,而带有6个亚甲基链的轴则以非常差的收率获得产物[3]轮烷.我们还研究了环大小对[3]轮烷的合成的影响.[3]当使用具有较小环尺寸的大环菲咯啉化合物时,未分离出轮烷.
DOI:10.1002/chem.201405090

专利信息

专利号:CN-119912668-A
优先权日:2023-10-31
标 题 :Synthesis of linear aliphatic polyesters

专利号:US-10280261-B2
优先权日:2014-05-07
标题:Radioopaque, iodine functionalized phenylalanine-based poly(ester urea)s
发明人：BECKER MATTHEW L; LI SHAN
权利人:BECKER MATTHEW L; LI SHAN; UNIV AKRON
摘要:In one or more embodiments, the present invention provides iodine-functionalized phenylalanine-based poly(ester urea)s (PEUs) (and related methods for their synthesis and use) that are metal free, degradable, radiopaque and suitable for use in surgical implants and other medical devices used within a patient. In one or more embodiment of the present invention 4-Iodo-L-phenylalanine and L-phenylalanine are separately reacted with 1,6-hexanediol to produce two monomers, bis-4-I-L-phenylalanine-1,6-hexanediol-diester (1-IPHE-6 monomer) and bis-L-phenylalanine-1,6-hexanediol-diester (1-PHE-6 monomer). It has been found that by varying the feed ratio of the 1-IPHE-6 and 1-PHE-6 monomers, the copolymer composition may be modulated to predictably create phenylalanine-based PEUs having a wide variation in thermal, mechanical and radiopacity properties. As most medical device procedures require placement verification via fluoroscopic imaging, materials that possess inherent X-ray contrast are valuable for a number of applications.

专利号:US-11103613-B2
优先权日:2016-04-28
标题 :Phosphorylated poly (ester-urea) based degradable bone adhesives
发明人：BECKER MATTHEW; BHAGAT VRUSHALI DINKAR
权利人:UNIV AKRON
摘要:In various aspects, the present invention provides a degradable and resorbable novel phosphate functionalized amino acid-based poly(ester urea) adhesive and related methods for its synthesis and use. These adhesives are formed from phosphate functionalized PEU polymers and copolymers crosslinked using one or more divalent metal crosslinking agents. The phosphate functionalized amino acid-based poly(ester urea) adhesives of various embodiments of the present invention have been found particularly effective in bonding bone to either bone or metal and have demonstrated adhesive strengths on bone samples that were significant and comparable to commercially available poly(methyl methacrylate) bone cement.