475160-61-3Relevant articles and documents
Unusual stabilization of 1,2-diamino derivatives of quincorine and quincoridine by carbon dioxide: Persistent crystalline prim-ammonium-carbamate salts and their reactivity towards isatoic acid anhydride
Neda, Ion,Kaukorat, Thomas,Fischer, Axel K.
, p. 3784 - 3790 (2007/10/03)
The reaction of N-methylisatoic anhydride 1 with a series of quincorine (QCI) and quincoridine (QCD) derivatives furnished the corresponding QCI- and QCD-substituted anthranilic acid amides 4-9. In the synthesis of 4-9, we investigated the influence of th
New hydrogenated and didehydrogenated 1,2-diamines of quincorine and quincoridine
Neda, Ion,Kaukorat, Thomas,Hrib, Christian
, p. 1327 - 1330 (2007/10/03)
Four new members of the family of 1,2-diamines of quincorine and quincoridine have been synthesized, being hydrogenated and didehydrogenated at the C10-C11 fragment. The alkynes, containing an additional amino group at C9, are potentially useful building blocks for cross-coupling reactions. Additional investigations concerning the chemical properties of the molecules point to a significant impact of the remote C5 substituent on the basicity of the bridgehead nitrogen.