52079-23-9, Name is (S)-(-)-alpha-Hydroxy-gamma-butyrolactone, belongs to Tetrahydrofurans compound, is a common compound. COA of Formula: C4H6O3In an article, once mentioned the new application about 52079-23-9.
Synthesis and Nuclear Magnetic Resonance Studies of Some N-Acylated Methyl 4-Amino-4,6-dideoxy-alpha-D-mannopyranosides
The methyl alpha-glycosides of 4-amino-4,6-dideoxy-D-mannopyranose (perosamine), N-acylated with either formic, acetic, or (S)-2,4-dihydroxybutanoic acid, have been synthesized.The (1)H and (13)C n.m.r. spectra of these substances and the parent, non-N-acylated glycoside, demonstrated how the chemical shifts are influenced by the N-acylation.The N-formyl derivative occured in two conformations, s-cis and s-trans, and the free-energy barrier between these, 86.9 kJ mol-1, was defined by dynamic n.m.r. spectroscopy.
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Reference£º
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem