专利号:US-2008287649-A1 优先权日:2006-12-29 标 题 :Methods for the synthesis of cyclic peptides 发明人:CHEN LIN; HAN YEUN-KWEI; ROBERTS CHRISTOPHER R 权利人:CHEN LIN; HAN YEUN-KWEI; ROBERTS CHRISTOPHER R 摘要:Methods for the synthesis of cyclic peptides are provided, as well as novel dipeptide compounds. The methods include the solid phase synthesis of a dipeptide, which is the coupled to a second peptide in a solid phase reaction. The peptide is then cyclized following the coupling reaction. The methods and dipeptides are particularly useful for the synthesis of MC-4 receptor agonist peptides.
专利号:WO-2024151344-A9 优先权日:2022-11-18 标题:A device that enables the combinatorial synthesis of small molecule libraries 发明人:COPELAND Gregory; LIU JANE 权利人:BRT BIOTECHNOLOGIES INC 摘要:A device for the synthesis of small molecules on a substrate is provided. The device includes a synthesis plate with vias, and a microfluidic patterning plate with a series ot open-faced channels that can be aligned with the vias on the synthesis plate. The device may be used to synthesize combinatorial libraries of small molecules.
专利号:US-2013267680-A1 优先权日:2010-09-15 标题:Total chemical synthesis of ubiquitin, ubiquitin mutants and derivatives thereof 发明人:OVAA HUIB; EL OUALID FARID; MERKX REMCO NICOLAAS SEBASTIAAN MICHEL 权利人:OVAA HUIB; EL OUALID FARID; MERKX REMCO NICOLAAS SEBASTIAAN MICHEL; STICHTING HET NL KANKERINST 摘要:The present invention relates to the field of total chemical synthesis of ubiquitin and related peptides. More in particular, a method is provided of solid phase synthesis of ubiquitin, ubiquitin mutants and derivatives thereof. It was the object of the present invention to provide an approach for the total chemical synthesis of ubuiqitin, which allows for the chemical synthesis of virtually any Ub mutant and giving high overall efficiency and purity. The present inventors have surprisingly found that this object can be realized with a method relying on incorporation of special amino acid building blocks. This approach was found to allow for exceptionally high yields of up to 14% and to provide an synthetic entry into virtually any ubiquitin derivative.
专利号:EP-1246837-B1 优先权日:2000-01-11 标 题:Oligomers of nonpeptide restricted mimetics of dipeptides or tripeptides and the use thereof in the synthesis of synthetic proteins and polypeptides 发明人:AMBLARD MURIEL; MARTINEZ JEAN; BERGE GILBERT 权利人:CENTRE NAT RECH SCIENT 摘要:The invention relates to nonpeptide oligomers of amino acids. The oligomers comprise -(NR'-A-CO)-O- units which represent a nonpeptide, restricted-mimetic inducer of the beta turn in a dipeptide or tripeptide fragment. Said oligomers may be produced by peptide synthesis techniques, whether in solution or in the solid phase, and can be used in the synthesis of synthetic proteins or polypeptides, in which the peptide fragment(s) (is) are identical to those of the corresponding natural protein or polypeptide and whose structural fragment(s) comprise(s) a fragment of an oligomer according to the invention.
专利号:US-2024067694-A1 优先权日:2021-01-04 标 题:Synthesis of teduglutide 发明人:GANGA RAMU VASANTHAKUMAR; PATIL NITIN; SUVARNA DEEPA SHANKAR 权利人:BIOCON LTD 摘要:The present invention provides for novel synthetic approach of solid phase synthesis of peptides with C-terminal Aspartic acid by anchoring the side chain carboxylic group of aspartic acid to the solid support to avoid the formation of various impurities and thus resulting in higher yield and ease the purification process. The present invention further provides the usage of free amino acids and reducing agents as antioxidants in the cleavage cocktail to negate the formation of oxidative impurities formed during the global cleavage and isolation of the peptide from solid support.
专利号:US-8722852-B2 优先权日:2006-04-28 标 题 :Cosmetic composition for stimulating the synthesis of proteins of the basement membrane 发明人:ZIEGLER HUGO; IMFELD DOMINIK; STOCKLI MARTIN; HEIDL MARC 权利人:ZIEGLER HUGO; IMFELD DOMINIK; STOCKLI MARTIN; HEIDL MARC; DSM IP ASSETS BV 摘要:Cosmetic composition which can be applied topically, comprising at least one compound of the general formula (I) in which R 1 is H, C 1 -C 20 -alkyl, cycloalkyl or aryl-C 1 -C 4 -alkyl, n is 1-4, X is —O—, —NH— or —NR 2 — and R 2 H or C 1 -C 20 -alkyl; and at least one compound corresponding to the above formula (I) but in which XR 1 with X having the possible meaning of —NH— is the residue of an alpha-amino acid; use of these compounds and of the composition for stimulating the synthesis of the proteins of the basement membrane; and also both those compounds of the formula (I) in which X is —NR 2 — and both R 1 and R 2 are different from H, and the compounds corresponding to formula (I) but in which XR 1 with X having the possible meaning of —NH— is the residue of an alpha-amino acid, as such.
参考标题:Mild Oxidative Cleavage Of 9-Bbn-Protected Amino Acid Derivatives 作者:Tobias Ankner,Thomas Norberg,Jan Kihlberg |发布日期:2015.6 摘要:Protection Of The Amino Acid Moiety Using 9-Bbn Is An Effective Method To Enable Side Chain Manipulations In Synthesis Of Complex Amino Acids. We Investigated The Standard, Mild Method For Deprotection Of The 9-Bbn Group In Methanolic Chloroform, And Found That It Relies On A Slow Oxidation Mediated By Molecular Oxygen. Building On This Insight, We Have Developed A Method That Allows For A Fast And
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