๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

N-Methylprotoporphyrin IX. Identification by NMR of the nitrogen alkylated in each of the four isomers

โœ Scribed by Kunze, Kent L.; Ortiz de Montellano, Paul R.


Book ID
127280124
Publisher
American Chemical Society
Year
1981
Tongue
English
Weight
807 KB
Volume
103
Category
Article
ISSN
0002-7863

No coin nor oath required. For personal study only.


๐Ÿ“œ SIMILAR VOLUMES


Inconsistent Solvent Shifts Caused by be
โœ Zeev Tashma ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 250 KB

## Replacement of chloroform by benzene as an NMR solvent for a series of (thio)phosphonothioamides results in an exceptionally wide range of shifts for the N-CH proton signals, from an upfield shift of approximately 1 ppm to a downfield shift of about 0.1 ppm, depending on the phosphonate esterif