Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology. 10343-06-3, Name is 2,3,4,6-Tetra-o-acetyl-D-glucopyranose, molecular formula is C14H20O10. In a Article，once mentioned of 10343-06-3, Synthetic Route of 10343-06-3
The benzyl- and the acyl-protected glyconolactone tosylhydrazones 6, 9, 12, 16, and 19 (Scheme 1) were prepared in good yields by treating the hemiacetals 4, 7, 10, 14, and 17 with N-tosylhydrazine, to give the N-glycosylhydrazines 5, 8, 11, 15, and 18, and by oxidizing these hydrazines with N-bromosuccinimide (NBS) in the presence of 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU), with CrO3-dipyridine complex or with pyridinium dichromate.Photolysis of the sodium salt 20 of 6 (Scheme 2) in the presence of N-phenylmaleimide, dimethyl fumarate, or acrylonitrile gave the corresponding cyclopropanes 21-28 in satisfactory yields.Photolytic or thermolytic glycosidation of phenol and 4-methoxyphenol by 20 yielded the anomeric glycosides 29/30 and 31/32, yields being marginally higher for the thermolytic process.Photolytic glycosidation of propan-2-ol gave the glycosides 33 and 34 in low yields only.Yields and ratios of products were compared to those obtained with the diazirine 1 as a source of glycosylidene carbenes.While the yields from 20 are lower, the ratios of products obtained in the photolytic reactions are in agreement with the formation of a common intermediate from both carbene precursors.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics