The Position of Phosphate Groups in the Phosphonomannan of Hansenula capsulata, as Determined by Carbon-13 Magnetic Resonance Spectroscopy | Zendy

Philip A.J. Gorin | Zendy

Open Access

The Position of Phosphate Groups in the Phosphonomannan of Hansenula capsulata, as Determined by Carbon-13 Magnetic Resonance Spectroscopy

Author(s) -

Philip A.J. Gorin

Publication year - 1973

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v73-316

Subject(s) - chemistry , disaccharide , phosphate , nuclear magnetic resonance spectroscopy , proton magnetic resonance , carbon fibers , resonance (particle physics) , spectroscopy , mannose , crystallography , phosphorus , stereochemistry , nuclear magnetic resonance , organic chemistry , atomic physics , physics , materials science , quantum mechanics , composite number , composite material

The carbon-13 magnetic resonance spectrum of a phosphate of 2-O-β-D-mannopyranosyl-α,β-D-mannose was compared with that of the unphosphorylated disaccharide. The positions and number of the signals of C-5's which are coupled to phosphorus-31, together with other spectral data show that the phosphate group is on C-6 of the reducing end-unit (2, Fig. 1). This differs from a previous assignment (1), thus necessitating a revision (4) to the structure 3 proposed for the parent Hansenula capsulata phosphonomannan.

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