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The preparation of intermediates for the synthesis of 1D-myo-inositol 1,4,5- and 2,4,5-trisphosphates, 1,4-bisphosphate 5-phosphorothioate, and 4,5-bisphosphate 1-phosphorothioate from 1D-3,6-di-O-benzyl-1,2-O-isopropylidene-myo-inositol. 1994

T Desai, and J Gigg, and R Gigg, and E Martín-Zamora
Laboratory of Lipid and General Chemistry, National Institute for Medical Research, London, United Kingdom.

The preparation of 1D-1,6-di-O-benzyl-2,5-di-O-p-methoxybenzyl-myo-inositol is described. This compound and 1D-3,6-di-O-benzyl-1,2-O-isopropylidene-myo-inositol were converted into 1D-1,3,6-tri-O-benzyl-myo-inositol which was phosphorylated to give an intermediate for the synthesis of 1D-myo-inositol 2,4,5-trisphosphate. 1D-3,6-Di-O-benzyl-1,2-O-isopropylidene-myo-inositol was converted into 1D-2,3,6-tri-O-benzyl-myo-inositol (an intermediate for the synthesis of 1D-myo-inositol 1,4,5-trisphosphate) and 1D-2,3,6-tri-O-benzyl-1-O-p-methoxybenzyl-myo-inositol (an intermediate for the synthesis of the 1-phosphorothioate analogue of 1D-myo-inositol 1,4,5-trisphosphate). 1D-3,6-Di-O-benzyl-1,2-O-isopropylidene-myo-inositol was also converted into 1D-2,3,6-tri-O-benzyl-5-O-p-methoxybenzyl[and -5-O(cis-prop-1-enyl)]-myo- inositol both of which are intermediates for the synthesis of the 5-phosphorothioate analogue of 1D-myo-inositol 1,4,5-trisphosphate. The synthesis of 1D-2,3,6-tri-O-benzyl-myo-inositol 1,4-bis(dibenzyl phosphate) 5-(dibenzyl phosphorothioate) from 1D-2,3,6-tri-O-benzyl-myo-inositol 1,4-bis(dibenzyl phosphate) is described.

UI MeSH Term Description Entries
D007294 Inositol An isomer of glucose that has traditionally been considered to be a B vitamin although it has an uncertain status as a vitamin and a deficiency syndrome has not been identified in man. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1379) Inositol phospholipids are important in signal transduction. Myoinositol,Chiro-Inositol,Mesoinositol,Chiro Inositol
D007295 Inositol Phosphates Phosphoric acid esters of inositol. They include mono- and polyphosphoric acid esters, with the exception of inositol hexaphosphate which is PHYTIC ACID. Inositol Phosphate,Phosphate, Inositol,Phosphates, Inositol
D009946 Organothiophosphorus Compounds Compounds containing carbon-phosphorus bonds in which the phosphorus component is also bonded to one or more sulfur atoms. Many of these compounds function as CHOLINERGIC AGENTS and as INSECTICIDES. Compounds, Organothiophosphorus
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D015544 Inositol 1,4,5-Trisphosphate Intracellular messenger formed by the action of phospholipase C on phosphatidylinositol 4,5-bisphosphate, which is one of the phospholipids that make up the cell membrane. Inositol 1,4,5-trisphosphate is released into the cytoplasm where it releases calcium ions from internal stores within the cell's endoplasmic reticulum. These calcium ions stimulate the activity of B kinase or calmodulin. 1,4,5-InsP3,Inositol 1,4,5-Triphosphate,Myo-Inositol 1,4,5-Trisphosphate,1,4,5-IP3,Myoinositol 1,4,5-Triphosphate

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