6.7-Dimethyl- und 1.3.6.7-Tetramethyl-alloxazin
✍ Scribed by Kuhn, Richard ;Rudy, Hermann
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1934
- Weight
- 250 KB
- Volume
- 67
- Category
- Article
- ISSN
- 0365-9631
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
K u h n , R u d y : Uber die photochemische
## Abstract The ^13^C‐NMR.‐spectra of 7,8‐dihydropterines and 5,6,7,8‐tetrahydropterines show a large difference in the chemical shifts of the 4a‐ and 8a‐sp^2^‐carbon atoms. From the CNDO calculations it is apparent that there is a considerable difference in electron density at C(4a) and C(8a) atom
Total Partial Synthesis of (3S,6S)-(+)-3,7-Dimethyl-6-hydroxy-3acetoxyocta-1,7-diene and (3S,6S)-(-)-3,7-Dimethylocta-1,7-diene-3,6diol from Geraniol. -The asymmetric synthesis of (VI) from geraniol via rearrangement of the chiral 2,3-epoxy alcohols (I) and (V) using the system Ph 3 P, pyridine, I
## Abstract Die Synthese von 6‐ und 7‐Amino‐, ‐Methylamino‐ und ‐Dimethylamino‐1,3‐dimethyllumazinen (**2** — **4** und **12** — **14**) wird beschrieben, wobei der nucleophile Austausch bei den 7‐Halogen‐1,3‐dimethyllumazinen **10, 11** recht glatt verläuft. Für die Darstellung der 6‐Amino‐Derivat