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专利信息

专利号:US-11912654-B2
优先权日:2021-09-03
标 题:Process for stereospecific synthesis of vitamin K2 and its novel intermediates
发明人：MEHTA DILIP; SHASHTRI MAYANK; RAJU BNS; SHAH ASHWIN; VORA PARIN; MAHALE UMAKANT
权利人:SYNERGIA LIFE SCIENCES PVT LTD
摘要:The present disclosure relates to a novel process for the synthesis of stereospecific compounds of Vitamin K2 group in general and Vitamin K2-7. The present disclosure further discloses novel intermediates useful in the synthesis of stereospecific Vitamin K2-7. Compounds of the Vitamin K2 group obtained are crystalline and exhibit well defined melting points.

专利号:WO-2023031841-A1
优先权日:2021-09-03
标题:A process for the stereospecific synthesis of vitamin k2 and its intermediates
发明人：MEHTA DILIP; SHASHTRI MAYANK; RAJU BNS; VORA PARIN; MAHALE UMAKANT
权利人:SYNERGIA LIFE SCIENCES PVT LTD
摘要:The present disclosure relates to a novel process for the synthesis of stereospecific compounds of Vitamin K2 group in general and Vitamin K2-7, in particular. It also discloses novel intermediates useful in the synthesis of stereospecific Vitamin K2-7. Compounds of the Vitamin K2 group obtained are crystalline and exhibit well defined melting points.

专利号:US-2015080598-A1
优先权日:2012-03-30
标题:Asymmetric synthesis for preparing fluoroleucine alkyl esters
发明人：HUMPHREY GUY; CHUNG CHEOL; RIVERA NELO; BELYK KEVIN
权利人:MERCK SHARP & DOHME
摘要:The instant invention describes a novel asymmetric synthesis of fluoroleucine alkyl esters which utilizes a phase transfer catalyst and a solid additive.

专利号:US-2021114953-A1
优先权日:2018-06-08
标 题:Synthesis of e,e-farnesol, farnesyl acetate and squalene from farnesene via farnesyl chloride
发明人：FISHER KARL JOSEPH; WOOLARD FRANK XAVIER
权利人:AMYRIS INC
摘要:The present disclosure provides methods for preparing polyunsaturated hydrocarbons, such as E,E-farnesol, farnesyl acetate and squalene, by base catalyzed addition of a dialkylamine to a 3-methylene-1-alkene, such as farnesene. The present disclosure also provides compositions including one more farnesene derivatives prepared using the disclosed methods.

专利号:US-3683014-A
优先权日:1970-10-14
标题:Derivatives of 2-amino-3-sulfopropionic acid
发明人：YANG MEILING T
权利人:ETHYL CORP
摘要:To obviate eutrophication of water, non-phosphorus detergent builders are provided. These are the water-soluble salts of 2-(N, N-di-(carboxymethyl))amino-3-sulfopropionic acid (e.g., the tetrasodium salt thereof). Conventional detergent actives may be used with these builders. Synthesis of the builders is described.

专利号:US-8178585-B2
优先权日:2007-11-14
标题 :Solvent-free synthesis of soluble nanocrystals
发明人：PETRUSKA MELISSA; PAN GUIQUAN
权利人:PETRUSKA MELISSA; PAN GUIQUAN; ADVANCED TECH MATERIALS
摘要:Methods for preparing high quality and high yields of nanocrystals, i.e., metal-oxide-based nanocrystals, using a novel solvent-free method. The nanocrystals advantageously comprise organic alkyl chain capping groups and are stable in air and in nonpolar solvents.