Phosphoromorpholidate
Web5-Iodouridine-5'-phosphoromorpholidate C13H19IN3O9P CID 44829125 - structure, chemical names, physical and chemical properties, classification, patents, literature, … WebAllylic phosphonate of trans-zeatin was converted into the corresponding phosphoromorpholidate, which on treatment with the mono-( tri-n-butylammonium) phosphate gave the allylic pyrophosphate of ...
Phosphoromorpholidate
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Web4. MORPHOLINE. Morpholine as a Base. For the most part, morpholine under- goes chemical reactions typical of secondary amines, though the presence of the electron-withdrawing ether renders it less nucle-ophilic and less basic than other structurally similar amines. As a matter of fact, morpholine (pKa. H. 8.4) is a weaker base than WebCytidine 5'-Phosphoromorpholidate N,N'-Dicyclohexyl-4-morpholinecarboximidamide C30H52N7O9P CID 129627242 - structure, chemical names, physical and chemical ...
WebDec 15, 2012 · The use of phosphoromorpholidate chemistry, in conjunction with N -methyl imidazolium chloride as the promoter, was identified as the most reliable synthetic protocol for the preparation of these non-natural sugar-nucleotides. WebApr 27, 2011 · A monophosphate is treated with trifluoroacetic anhydride and N-methylimidazole sequentially to afford a phosphoro-N-methylimidazolidate (5P) as the …
WebThe precipitate weighed 2.2 g. and contained 62% of the morpholine salt of inosine-'-phosphoromorpholidate as determined by paper chromatography. The yield was 93% based on the inosine-5'-dichlorophosphatc. In an analogous manner, 2.1 g. crude morpholine salt of uridine-S-phosphoromorpholidate was obtained from 0.79 g. uridine and had a purity ... WebThe first two reactions gave the mixed anhydride of trichloroacetic and thymidylic acids (acyl phosphate) as the major product and P1, P2-dithymidine 5'-pyrophosphate as the byproduct. The third reaction proceeded by a more complicated mechanism and mainly led to substituted polyphosphates.
WebHiroaki Ozaki's 17 research works with 163 citations and 107 reads, including: Chiral Phosphoromorpholidate Derivatives of Oligothymidylate and Their Hybridization Abilities
WebThe most generally used synthetic method consists of the formation of the pyrophosphate bond in the coenzyme III through the reaction of various readily prepared and stable … kratos jumping off a cliffWebMay 24, 1985 · The bifunctional phosphorylating reagent O,O-bis [1-benzotriazolyl]phosphoromorpholidate was used to introduce a 5'-O-triphosphate and a 3'-O-diphosphate function in a partially protected riboguanosine. kratos leviathan axe replicaWebMar 26, 2014 · Due to their important roles in biological research and potential pharmaceutical applications, various synthetic methods for NTPs have been adopted for the preparation of β,γ-bridging oxygen-modified NTP analogs (β,γ-CX 2-NTPs, X = H, F, Cl, and Br). The conventional ‘one-pot, three-step’, 6(b), 6(c), 6(d) salicyl chlorophosphite, 5b and … maple flats cemetery cleveland nyWebTwo options should be considered for the phosphoromorpholidate approach: (1) the synthesis of a nucleoside phosphoromorpholidate intermediate by coupling NMP with … kratos kills thorWebSep 1, 2011 · N-Methylimidazolium chloride is found to catalyze a coupling reaction between monophosphates and activated phosphorous-nitrogen intermediates such as a … maple flashfireWebPhosphoromorpholidate intermediates, initially developed by Khorana and Moffatt, 19 have been widely used for the construction of nucleoside diphosphates. The construction of the diphosphate linkage typically involves exposure of a carbohydrate-derived phosphate nucleophile to phosphoromorpholidate electrophile in pyridine solvent. kratos jumps off cliff songWebOct 5, 2015 · In the presence of three equivalents of the phosphoromorpholidate (4) 12% of this reactant (δ ∼ 7) remained unconsumed and very low levels (<2%) of residual dTSMP (δ ∼ 15) were evident . Fig. 3 31 P NMR spectrum of crude ball milling reaction mixture following hydrolysis and phosphate coupling of the putative persilylated M–A product 3 ... kratos marked warrior