99233-97-3Relevant articles and documents
12-Organyldibenzazocine-5,7-diones
Hellwinkel, Dieter,Ittemann, Peter
, p. 3165 - 3197 (2007/10/02)
The title compounds 10, 23 are formed in low yields on treatment of 2,2'-organylimino-bisbenzoic acid esters 8 with methyllithium, but in high yields in the intramolecular ester condensation with sodium hydride of triarylamines 12, containing o-acetyl-, a
Dibenzoheterocine-5,7-diones
Hellwinkel, Dieter,Ittemann, Peter,Bohnet, Siegbert
, p. 858 - 860 (2007/10/02)
Dibenzoheterocine-5,7-diones are synthesized by intramolecular ester condensations.Ring inversions of their distorted boat conformations occur with activation barriers of 10-15(42-62) kcal(kJ)/mole. - Keywords: Dibenzoheterocine-5,7-diones, Synthesis, NMR Spectra, Stereochemistry, Ring Inversion