In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called New synthesis of D-ribose from L-glutamic acid, published in 1971, which mentions a compound: 32780-06-6, mainly applied to ribose synthesis glutamic acid; stereospecific synthesis ribose; non carbohydrate saccharide preparation, Product Details of 32780-06-6.
L-Glutamic acid gave on HNO2 deamination a lactone, which was esterified to I (R = CO2Et), a suitable precursor to the preparation of D-ribose (II) without optical resolution. The reduction of I with NaBH4 gave I (R = CH2OH), converted to the benzyl ether I (R = CH2OCH2Ph) (III). Heating III with Na and HCO2Et in Et2O gave Na salt (IV) which was converted in 3 steps to 5-O-benzyl-2,3-dideoxy-D-glycero-pentofuranose (V). Consecutive bromination, methylation, and dehydrobromination gave the unsaturated pentose (VI), which was first oxidized with KMnO4, then hydrogenated over Pd-C, treated with 0.1N H2SO4. The mixture of II and D-xylose was separated through the anilide of II.
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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI