专利号:WO-2024181781-A1 优先权日:2023-02-27 标 题:Substrate for synthesis of biological polymers having anti-aggregation function and biological polymer synthesis method using same 发明人:JANG MYOUNG HOON; CHOI JAE SUN 权利人:SP2 TX INC 摘要:The present invention relates to a substrate for the synthesis of biological polymers having an anti-aggregation function, and a biological polymer synthesis method using the substrate. The substrate according to an aspect may have anti-aggregation functionality to enable high-yield and high-purity processes in the synthesis of biological polymers.
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:US-11066439-B2 优先权日:2016-12-10 标题 :Synthesis of liraglutide 发明人:GANGA RAMU VASANTHAKUMAR; PATIL NITIN; CHARYULU PALLE VENKATA RAGHAVENDRA; JASMINE CASTELINO ROOPA; MACHANI RAMBABU; SUVARNA DEEPA SHANKAR 权利人:BIOCON LTD 摘要:The present invention relates to the efficient solid-phase synthesis of liraglutide represented by Formula-I. The present invention relates to an efficient process for the preparation of liraglutide by sequential coupling employing solid phase approach. It involves sequential coupling of protected amino acids to prepare backbone of liraglutide and upon completion of linear sequence, synthesis was extended from lysine side chain by adding γ-glutamic acid and palmitic acid, followed by removal of protective groups, cleavage of the peptide from solid support and purification of crude liraglutide obtained. The present invention also involves the usage of inorganic salts during the coupling, wash with HOBt in DMF solution after Fmoc-deprotection step to suppress the aggregation of peptides and ensure reactions are going for completion, and thus avoid deletion sequences and improve the process yield.
专利号:US-2020247841-A1 优先权日:2017-09-27 标 题 :Synthesis of icatibant 发明人:RAMU VASANTHAKUMAR GANGA; PATIL NITIN SOPANRAO; PALLE VENTAKA RAGHAVENDRACHARYUL; Yogesha 权利人:BIOCON LTD 摘要:The present invention relates to the efficient solid-phase synthesis of Icatibant represented by Formula (I). The present invention relates to an efficient process for the preparation of Icatibant by sequential coupling employing solid phase approach. It involves sequential coupling of protected amino acids to prepare Icatibant. The present invention also involves the usage of inorganic salts during the coupling, wash with HOBt in DMF solution after Fmoc-deprotection step to ensure complete removal of piperidine and reactions are going for completion, and thus avoid addition/deletion sequences and also improve the process yield.
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:WO-2023039068-A1 优先权日:2021-09-08 标题:Compositions and methods for synthesis of peptide nucleic acid intermediates 发明人:COULL JAMES M; GILDEA BRIAN D 权利人:NEUBASE THERAPEUTICS INC 摘要:The present disclosure provides intermediates for the synthesis of peptide nucleic acid (PNA) backbones and monomers, such as cyclic intermediates, and methods of making the same.