
Tetrahedron Letters p. 3165 - 3168 (1999)
Update date:2022-09-26
Topics:
Gerber, Patrick
Vogel, Pierre
(-)-7-Oxabicyclo[2.2.1]hept-5-en-2-one has been convened to (-)-6-exo- [(tert-butyl)dimethylsilyloxy]-7-endo-benzyloxy-8-oxabieyclo[3.2.1]oct-3-en- 2-one and methyl 3,5-di-O-acetyl-2,6-anhydro-4-O-benzoyl-D-glycero-D-galacto- heptouronate that were condensed with Me2AlSPh into a single aldol which was transformed into a β-D-ManAp-CH(OAe)(1←3)-α-L-GulAp-CH(SEt)2 derivative.
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Doi:10.1039/C39720000679
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