Magnetic circular dichroism spectra of naphthalic anhydride and 1,4,5,8-naphthalenetetracarboxylic 1,8:4,5-dianhydride
✍ Scribed by H. Yamaguchi; K. Kitano; K. Toyoda; H. Baumann
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 221 KB
- Volume
- 38
- Category
- Article
- ISSN
- 1386-1425
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract The synthesis of ring A substituted TAP'S starts from 5,6‐diaminoquinoxaline (II), which is condensed with n‐butylglyoxylate to give a mixture of 2‐ and 3‐hydroxy‐TAP, which reacted with POCl~3~/PCl~5~ to afford the corresponding monochlorocompound. Similarly, the condensation of II and
## Abstract The ^13^C NMR spectra of 1,4,5,8‐tetraazaphenanthrene (pyrazino[2,3‐__f__] quinoxaline), eleven of its derivatives [2‐ and 3‐chloro, ‐methoxy and ‐(1′‐piperidino), 2,3‐dichloro, ‐dimethoxy, ‐dimethyl and ‐di(1′‐piperidino) and 9‐methoxy] and of 1,4,5,8,9,12‐hexaazatriphenylene (dipyrazi
## Abstract The complete assignment of the ^1^H and ^13^C NMR spectra of the title enediones, bearing as substituents __N__‐aziridinyl (a novel compound), methoxy, chloro and methylsulfanyl, is reported. Copyright © 2002 John Wiley & Sons, Ltd.