The disaccharide α, β-trehalose differs from the α, α structure in Figure 9.14(a) by having an (a1†’β1) linkage. Draw its structure as a Haworth projection.
In Figure 9.14

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Disaccharides with a-connections Disaccharides with B-connections CH OH СЊОН СНгОН CH,OH Maltose a-D-glucopyranosyl (14)a-D-glucopyranose Cellobiose B-D-glucopyranosyl (1- 4 β-D-glucopyranose он OH H он н он н он н HO OH HO нон α-D-Glc H OH B-D-Glc H OH β-D-Glc H OH α-D-Glc CH OH CH,OH α,α-Trehalose a-D-glucopyranosyl (11)a-D-glucopyranose Lactose B-D-galactopyranosyl но OH он н HOC 4)B-D-glucopyranose он н OH H OH H но он нон H OH B-D-Gal H OH B-D-Glc α-D-Glc a-D-Glc CH,,ОН CH.OH Sucrose CH2OH Gentiobiose B-D-glucopyranosyl 16)B-D-glucopyranose он a-D-glucopyranosyl ( 1-. 2)β-D-fructofuranoside он н нно OH H HO CH.,ОН но но H OH H OHH α-D-Glc он н B-D-Fru H OH B-D-Glc B-D-Glc (a) Disaccharides linked through the C-1 of the α anomer: (b) Disaccharides with B linkage maltose, trehalose, and sucrose cellobiose, lactose, and gentiobiose