专利号:EP-0021497-A1 优先权日:1979-06-21 标 题 :Synthesis of polyoxyalkylene glycol monoalkyl ethers 发明人:GIBSON THOMAS WILIAM 权利人:PROCTER & GAMBLE 摘要:A solvent free method for preparing monoalkyl ethers of polyoxyalkylene glycols, comprising mixing a polyoxyalkylene glycol, especially polyoxyethylene glycol, with a concentrated aqueous solution of a metal hydroxide, contacting said mixture with a primary alkyl halide, and recovering the monoalkyl ether.
专利号:CN-113880737-A 优先权日:2021-09-23 标 题 :Application of a new type of persulfide reagent in the synthesis of asymmetric persulfide
专利号:US-7101993-B1 优先权日:1990-01-11 标 题 :Oligonucleotides containing 2′-O-modified purines 发明人:COOK PHILLIP DAN; MCGEE DANIEL PETER CLAUDE; GUINOSSO CHARLES JOHN 权利人:ISIS PHARMACEUTICALS INC 摘要:Compounds are provided containing purine nucleotides that bear moieties X at the 2' position thereof wherein X is R1-(R2)n; R1 is C3-C20 alkyl, C4-C20 alkenyl or C2-C20 alkynyl; R2 is halogen, hydroxyl, thiol, keto, carboxyl, nitro, nitroso, nitrile, trifluoromethyl, trifluoromethoxy, O-alkyl, S-alkyl, NH-alkyl, N-dialkyl, O-aryl, S-aryl, NH-aryl, O-aralkyl, S-aralkyl, NH-aralkyl, amino, N-phthalimido, imidazole, azido, hydrazino, hydroxylamino, isocyanato, sulfoxide, sulfone, sulfide, disulfide, silyl, aryl, heterocycle, carbocycle, intercalator, reporter molecule, conjugate, polyamine, polyamide, polyalkylene glycol, polyether, a group that enhances the pharmacodynamic properties of oligonucleotides, or a group that enhances the pharmacokinetic properties of oligonucleotides; and n is an integer from 0 to about 6. Such compounds are useful for modulating the synthesis of proteins.
专利号:CN-113880737-B 优先权日:2021-09-23 标 题:Application of novel persulfate reagent in synthesis of asymmetric polysulfide
专利号:JP-2011525927-A 优先权日:2008-06-25 标 题 :Synthesis and use of heterocyclic antibacterial agents
专利号:CN-118026908-A 优先权日:2023-12-27 标题 :Synthesis method of DIL or DID