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Neighboring-group participation trichloroacetimidate

Trichloroacetimidates are similarly used for a-(l,2)-mannoside oligomerization, with an a-diastereoselectivity arising from neighboring group participation [4]. [Pg.385]

In the glycosidation of amphoterinolide B (139) toward amphotericin B (170), the glycosyl donor 167 with the C2 acetoxy group was employed so that formation of the requisite P-anomer could be secured through neighboring group participation (Scheme 24). Glycosidation of 139 with trichloroacetimidate 167 could be... [Pg.205]

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Neighbor

Neighboring group

Neighboring group participation

Neighboring group participation groups

Neighboring participation

Participating group

Trichloroacetimidate

Trichloroacetimidates

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