专利号:US-4026911-A 优先权日:1976-02-23 标 题:Process for the preparation of ketoalkynoic acids and use of the process in an improved synthesis of 2-(substituted)-cyclo-pentane-1,3,4-triones 发明人:REVERMAN LAWRENCE FRANCIS 权利人:MILES LAB 摘要:Reaction of a 2-methyl-2-(alkenyl)-1,3-dioxolane with an α,ω-dihalogenoalkane to obtain a 2-methyl-2-(ω-chloroalkynyl)-dioxolane, conversion of the latter to a corresponding nitrile, and hydrolysis of the nitrile to form a ketoalkynoic acid is a novel process for preparing the acid. n Use of the process in the synthesis of 2-(substituted)-cyclopentane-1,3,4-triones improves that synthesis.
专利号:US-7915276-B2 优先权日:2006-02-14 标题 :Berberrubine derivatives having antifungal activities 发明人:KIM SUNG UK; PARK KI DUK; MOON JAE SUN; KANG TAE HOON; KIM YOUNG KOOK 权利人:KOREA RES INST OF BIOSCIENCE 摘要:The present invention relates to a berberrubine derivative having superior antifungal activity, more particularly to a berberrubine derivative having activity against chitin synthase, which participates in the synthesis of chitin and is essential in the growth of fungi, and having a potent antifungal activity against human pathogenic fungi.
专利号:WO-2025136842-A1 优先权日:2023-12-19 标题 :Process for preparing n-aminoalkylated tryptophan compounds 发明人:CO SARAH S; DALBY STEPHEN M; JOHNSON KEYWAN ALEXANDER; KLAPARS ARTIS; KUETHE JEFFREY T; PETERS BYRON KENNEDY; SIROTA ERIC; WRIGHT TIMOTHY JAMES; XIAO KAIJIONG 权利人:MERCK SHARP & DOHME LLC 摘要:The present invention relates to processes useful in the synthesis of aminohexyl compounds, such as a compound of Formula I or a salt, hydrate and/or solvate thereof, as well as methods for the preparing a compound of Formula I and intermediates used to make a compound of Formula I. The present invention presents a novel method for the selective alkylation of tryptophan analogues, eliminating the need for protecting groups and advancing the field of tryptophan analogue synthesis.
专利号:DE-2707128-A1 优先权日:1976-02-23 标 题:PROCESS FOR THE PREPARATION OF KETOALKYNIC ACIDS AND APPLICATION OF THE PROCESS TO AN IMPROVED SYNTHESIS OF 2- (SUBSTITUTE) -CYCLOPENTANE-1,3,4-TRIONEN
专利号:CN-116621696-A 优先权日:2023-05-30 标题:A kind of synthesis method of pear borer worm sex pheromone
专利号:CN-111333576-B 优先权日:2018-12-18 标题 :A class of highly stable wash-free Halo-tag probes and their synthesis and biological applications