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Benzyl ethers protect phosphate groups

Preliminary to a second-generation synthesis of the 3-(9-methyl-y-( 1 -4)-mannans, Kishi and co-workers screened a series of mannosyl phosphates for the influence of the 0-2 protecting group and the anomeric stereochemistry of the donor on the outcome of the glycosylation reaction. As may be seen from Scheme 26, the use of benzyl ether protection under these homogeneous solution-phase conditions gave selectivities that were insufficient, whereas the 2-benzoates gave exquisite a-selectivity.34... [Pg.272]

See other pages where Benzyl ethers protect phosphate groups is mentioned: [Pg.310]    [Pg.144]    [Pg.285]    [Pg.89]    [Pg.33]    [Pg.89]    [Pg.279]    [Pg.61]    [Pg.160]    [Pg.36]    [Pg.244]    [Pg.352]    [Pg.399]    [Pg.80]    [Pg.80]    [Pg.431]    [Pg.516]    [Pg.258]    [Pg.350]    [Pg.28]    [Pg.465]    [Pg.15]    [Pg.32]    [Pg.152]   
See also in sourсe #XX -- [ Pg.675 ]



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2- phosphates protect phosphate groups

5 -Phosphate group

Benzyl Phosphates

Benzyl ethers

Benzyl ethers group protection

Benzyl ethers protecting groups

Benzyl group

Benzyl group protection

Benzyl protection

Benzylic ethers

Benzylic group

Ether group

Ethers protection

Phosphate protecting groups

Phosphates, protection

Protective groups benzyl

Protective groups ethers

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