On page 199 of this Communication, a reference and one sentence are missing from the end of the second paragraph of the introduction. References  and  did appear correctly in the References section. For clarity, the correct paragraph and relevant references are reproduced below:
“In this work, the one-pot conversion of cellulose into isosorbide is studied (Scheme 1). In a first step, cellulose is hydrolyzed to glucose by an acid catalyst. This glucose is hydrogenated to sorbitol over a metal catalyst under hydrogen pressure. Sorbitol is then further dehydrated to isosorbide via sorbitan isomers by the same acid catalyst. We note that only 1,4- and 3,6-sorbitan isomers can be further dehydrated to isosorbide. The 1,5- and 2,5-sorbitan isomers are unable to undergo a second dehydration. Finally, the isosorbide isomers isomannide (1,4:3,6-dianhydromannitol) and isoidide (1,4:3,6-dianhydroiditol) are dehydration products of mannitol and iditol, respectively. Mannitol can be formed through hydrogenation of fructose and mannose by means of the acid-catalyzed Lobry de Bruyn–van Ekenstein transformation of glucose or, like iditol, through the metal-catalyzed isomerization of sorbitol.9 Isomannide and isoidide can also be formed through the metal-catalyzed isomerization of isosorbide.10”
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