CAS: 646-24-2; 1,9-Diaminononane

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📜壬二酸置于d-葡萄糖,ï%-Transaminase From Silicibacter Pomeroyi,5'-三磷酸腺苷,还原型辅酶ii(Nadph)四钠盐,Magnesium Chloride体系中,用 Aq. Phosphate Buffer 作为反应溶剂,化学反应生成 1,9-壬二胺
参考文献:Development Of A Thermodynamically Favorable Multi‐enzyme Cascade Reaction For Efficient Sustainable Production Of ω‐amino Fatty Acids And α,ω‐diamines
标题:Development Of A Thermodynamically Favorable Multi‐enzyme Cascade Reaction For Efficient Sustainable Production Of ω‐amino Fatty Acids And α,ω‐diamines
摘要:摘要脂肪族ω-氨基脂肪酸(ω-Afas)和α,ω-二胺(α,ω-Dms)是生产尼龙的基本单体.开发ω-Afas 和 α,ω-Dms 的可持续生物合成路线对于应对气候变化带来的挑战至关重要.在此,我们构建了一种前所未有的热力学上有利的多酶级联(therfavmec),用于从廉价的α,ω-二羧酸(α,ω-Das)中高效,可持续地生物合成ω-Afas 和 α,ω-Dms.该 Therfavmec 是通过整合生物合成分析工具,反应吉布斯自由能计算,热力学平衡转换策略和辅助因子(nadph&atp)再生系统而开发的.从己二酸(aa)制备 6-Aminohexanoic Acid(6-Aca)的摩尔产率为 92.3%,从 6-Aca 制备 1,6-Hexanediamine(1,6-Hmd)的摩尔产率为 96.1%,均显著高于之前报道的路线.此外,还从 20.0 Mm α,ω-Das(c6-C9)生物合成了 ω-Afas 和 α,ω-Dms,得到了 11.2 Mm 1,6-Hmd(产率 56.0%),14.分别得到 11.2 Mm 1,6-Hmd(收率 56.0%),14.8 Mm 1,7-庚二胺(收率 74.0%),17.4 Mm 1,8-辛二胺(收率 87.0%)和 19.7 Mm 1,9-壬二胺(收率 98.5%).与之前的工作相比,1,9-壬二胺,1,8-辛二胺,1,7-庚二胺和 1,6-Hmd 的滴度分别提高了 328 倍,1740 倍,87 倍和 3.8 倍.因此,这项工作对于ω-Afas 和 α,ω-Dms的生物生产具有巨大潜力.
DOI:10.1002/cssc.202301477

专利信息

专利号:US-9957355-B2
优先权日:2013-06-12
标 题 :Device and method for synthesis of a polymer under separation of a gaseous substance
发明人：ZHU NING; STAMMER ACHIM; CLAUSS JOACHIM; KORY GAD
权利人:BASF SE
摘要:The invention relates to a device for synthesis of a polymer under separation of a gaseous substance. Said device comprises a reaction chamber ( 1 ), which has a top section ( 11 ), a middle section ( 12 ) and a bottom section ( 13 ), an inlet opening ( 2 ) which is arranged in the middle section ( 12 ), a first outlet opening ( 3 ) which is arranged in the bottom section ( 13 ), a second outlet opening ( 4 ) which is arranged in the top section ( 11 ), a first return opening ( 51 ), which is arranged in the bottom section ( 13 ), a second outlet opening ( 52 ), which is arranged under the top section ( 11 ), a distribution device ( 6 ), which is arranged between the top section ( 11 ) and the middle section ( 12 ), and a removal device ( 7 ) which is arranged to be movable along the top section ( 11 ). The invention further relates to a method for synthesis of a polymer which can be carried out in said device.

专利号:US-9631051-B2
优先权日:2013-06-12
标 题:Device for the synthesis of a polymer with extraction of a gaseous substance comprising a reaction chamber having at least one circular-cylindrical section
发明人：ZHU NING; STAMMER ACHIM; CLAUSS JOACHIM; KORY GAD
权利人:BASF SE
摘要:An apparatus for synthesis of a polymer with separation of a gaseous substance comprises a reaction space having an essentially circular cylindrical upper section which is bounded by two circular faces and one shell face and has a longitudinal cylinder axis, and a lower section, an inlet orifice disposed in a circular face or the shell face of the upper section, a first outlet orifice disposed in a wall of the lower section, a second outlet orifice disposed in the shell face of the upper section opposite the first outlet orifice, and a removal device which is disposed so as to be rotatable about the longitudinal cylinder axis and is in contact with both circular faces and the shell face. This apparatus can especially be used for performance of a process including the feeding of an oligomer melt into a reaction space through an inlet orifice, the polymerization of the oligomer melt to give a polymer melt, the removal of the polymer melt from the reaction space through a first outlet orifice of the reaction space, and the removal of a gaseous substance from the reaction space through a second outlet orifice of the reaction space, wherein deposits on at least one inner wall of the reaction space are removed by a removal device and transported into the oligomer melt.

专利号:US-2014296354-A1
优先权日:2013-04-01
标题 :Synthesis of peptoid-based small molecular gelators from multiple component reactions
发明人：WANG GUIJUN; MANGUNURU HARI P R
权利人:WANG GUIJUN; MANGUNURU HARI P R; OLD DOMINION UNIV RES FOUND
摘要:Described herein are the one-pot synthesis and characterization of a library of low molecular weight peptoid compounds that are able to form gels at room temperature. The compounds are synthesized from biologically-based starting materials, are biocompatible, and are resistant to degradation by proteases and peptidases. The compounds and gels synthesized therefrom can be used in such applications as tissue engineering, drug delivery, separation of biomolecules, and stimulus-responsive advanced materials

专利号:US-5329022-A
优先权日:1991-01-16
标 题:Process for the synthesis of citraconimides
发明人：TALMA AUKE G; HOOFT HENDRIKA P M; VAN DE BOVENKAMP-BOUWMAN ANNA
权利人:AKZO AMERICA INC
摘要:The present invention relates to an improved synthesis method for the making of citraconimides wherein a citraconic anhydride is reacted with 0.5 to 2.0 equivalents of at least one amine salt. This process may be carried out in a solvent and generally leads to excellent yields of the citraconimides with high selectivity and easy purification. The present inventional so relates to a process for the production of citraconic anhydride from itaconic anhydride with an amine or phosphine catalyst and in a cosolvent.

专利号:US-6500904-B1
优先权日:2001-11-02
标 题:High molecular weight poly(imide)s and methods of synthesis thereof
发明人：HAYES ROBERT F
权利人:GEN ELECTRIC
摘要:A method for the synthesis of high molecular weight poly(imide)s comprising coupling poly(imide) precursors having complementary functional groups and a weight average molecular weight of less than about 50,000 Daltons to form high molecular weight poly (imides)s having a weight average molecular weight greater than 50,000 Daltons.

专利号:US-10808079-B2
优先权日:2015-03-27
标 题:Synthesis of copolyimides containing fluorine and silicon surface modifying agents
发明人：CONNELL JOHN W; WOHL JR CHRISTOPHER J; DOSS JEREME R; CROW ALLISON M; KIM WILLIAM T; LIN YI
权利人:NASA
摘要:Various embodiments provide random copolyimides that may possess the mechanical, thermal, chemical and optical properties associated with polyimides yet achieve a low energy surface. In various embodiments, the copolyimides may be prepared using a minor amounts of a diamino terminated fluorinated alkyl ether oligomer and a diamino terminated siloxane oligomer. The various embodiments include processes for making the copolyimides containing fluorine and silicon surface modifying agents and anisotropic coatings and articles of manufacture from them. Thus the coatings and articles of manufacture made with the copolyimides of the various embodiments may be characterized as having an anisotropic fluorine and silicon composition and low surface energy.