Biosynthesis of malonomicin. Part 1. 13C nuclear magnetic resonance spectrum and feeding experiments with 13C-labelled precursors

1979 ◽  
pp. 2017 ◽  
Author(s):  
Dick Schipper ◽  
Juul L. van der Baan ◽  
Friedrich Bickelhaupt
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Nuclear Magnetic Resonance Spectrum ◽  
Resonance Spectrum ◽  
Feeding Experiments ◽  
13C Nuclear Magnetic Resonance ◽  
Nuclear Magnetic

13C-Nuclear Magnetic Resonance Spectrum of Tropolone

1972 ◽  
Vol 50 (12) ◽  
pp. 1975-1977 ◽  
Author(s):  
Larry Weiler
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Nuclear Magnetic Resonance Spectrum ◽  
Room Temperature ◽  
Resonance Spectrum ◽  
Tautomeric Equilibrium ◽  
Charge Densities ◽  
13C Nuclear Magnetic Resonance ◽  
Nuclear Overhauser ◽  
Nuclear Magnetic

The 13C-n.m.r. spectrum of tropolone has been obtained and it clearly shows that there is a rapid tautomeric equilibrium at room temperature. The peaks have been tentatively assigned using calculated π charge densities and nuclear Overhauser enhancements.

13C Nuclear Magnetic Resonance Spectrum of Gramicidin S-A, a Decapeptide Antibiotic

Nature ◽  
1970 ◽  
Vol 227 (5260) ◽  
pp. 840-842 ◽  
Author(s):  
W. A. GIBBONS ◽  
J. A. SOGN ◽  
A. STERN ◽  
L. C. CRAIG ◽  
L. F. JOHNSON
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Nuclear Magnetic Resonance Spectrum ◽  
Resonance Spectrum ◽  
Gramicidin S ◽  
13C Nuclear Magnetic Resonance ◽  
Nuclear Magnetic
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