Concerning the reactivities of the C-1, C-2 and C-6 hydroxy groups of myo-inositol
作者:Gopinadhan nair Anilkumar、Zhaozhong J. Jia、Ralf Kraehmer、Bert Fraser-Reid
DOI:10.1039/a907318c
日期:——
Regioselectivities in the reactions of the three contiguous free hydroxy groups at C-6, C-1, and C-2 of 3,4,5-tri-O-benzyl-D-myo-inositol have been examined. Stannylene activation permits selective alkylation and esterification at C-1; however, acyl migration back and forth between C-1 and C-2 leads to unpredictable ratios of the isolated regioisomers. With the stable C1-alkylated products, further alkylation is regioslective for the axial C-2–OH, whereas acylation is regioselective for the equatorial C-6–OH. In most cases the ‘other’ regioisomer is not observed, the by-products being those of dialkylation or diacylation.
Cyclitols. Part XXIV. Selective acetolysis of myoinositol benzyl ethers
作者:S. J. Angyal、M. H. Randall、M. E. Tate
DOI:10.1039/j39670000919
日期:——
The acetolysis of benzyl ethers of myoinositol is selective and its rate varies with the nature and configuration of the neighbouring groups. The penta-acetate of 1-O-benzylmyoinositol is readily obtained from 1,4,5,6-tetra-O-benzylmyoinositol; hydrogenolysis gives 1,2,4,5,6-penta-O-acetylmyoinositol.
1282. Cyclitols. Part XXI. Benzyl ethers of myoinositol. Aromatisation of a tosyl derivative of myoinositol
作者:S. J. Angyal、M. E. Tate
DOI:10.1039/jr9650006949
日期:——
Synthesis of [3H]-labelled and unlabelled 2-deoxy-2-fluoro-myo-inositol and 1-deoxy-1-fluoro-scyllo-inositol for use in studies of the phosphoinositide cycle
作者:Gordon Lowe、Fiona McPhee
DOI:10.1039/p19910001249
日期:——
2-Deoxy-2-fluoro-myo-inositol and 1-deoxy-1-fluoro-scyllo-inositol have been synthesized in their unlabelled and tritiated forms in order to study their potential as inhibitors of the phosphoinositide cycle.
Practical synthesis of a differentially protected myo-inositol
作者:Alexander Kornienko、David I. Turner、Christine H. Jaworek、Marc d'Alarcao
DOI:10.1016/s0957-4166(98)00302-4
日期:1998.8
An enantiospecific synthesis of 3,4,5-tri-O-benzyl-6-O-triisopropylsilyl-D-myo-inositol from D-xylose is reported. The synthesis features a diastereofacially selective SmI2-promoted pinacol cyclization. (C) 1998 Elsevier Science Ltd. All rights reserved.