Synthesis and properties of unusual π-networks : Cycloocta[1,2,3,4]-def]benzo[3,4]cyclobuta[6,7[biphenylene
✍ Scribed by C.F. Wilcox Jr.; G.D. Grantham
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- French
- Weight
- 611 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0040-4020
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Interest has been expressed recently in the theoretical implications Of the e.p.r. l-4 and ~.d.~'~ spectral characteristics of stable, bicyclic nitroxide
A series of 4-(alkylidene/arylidene)amino-5-(2-furanyl)-2.4-dihydro-3H-I .2.4-triazolc-3-1hiones (2) and 6-aryl-3-(2-furanyl)-7H-12.4-triazolo[3,4-b]( 1.3.41 thiadiazines (3) werc synthesized. The configuration of 2g was assigned on che basis of 'H-NMR data. Of the new derivatives tesced. only 2b. 2
An efficient synthesis of novel spiro 2,3,7,8-tetrahydro-benzo[1,2-b:5,4-b 0 ]dipyran-4,6-dione and 2,3,8,9tetrahydro-benzo[1,2-b:4,3-b 0 ]dipyran-4,10-dione derivatives in high yields under microwave irradiation is described. The reaction was also studied under conventional heating conditions.