�ber die Untersuchung von Arsazetin

Recent developments and perspectives in palladium-catalyzed cyanation of aryl halides: synthesis of benzonitriles

“…Obviously, the preparation of benzonitriles can be achieved in numerous ways. [10][11][12][13][14] Most often they have been synthesized by the Rosenmund-von Braun reaction [15][16][17][18][19] from aryl halides or diazotization of anilines and a subsequent Sandmeyer reaction [20][21][22] on a laboratory as well as on industrial scale…”

Improving palladium-catalyzed cyanation of aryl halides: development of a state-of-the-art methodology using potassium hexacyanoferrate(II) as cyanating agent

“…Most often they have been synthesized by the Rosenmund-von Braun reaction [15][16][17][18][19] from aryl halides or diazotization of anilines and subsequent Sandmeyer reaction [20][21][22] on laboratory as well as on industrial scale. Drawbacks of the Rosenmund-von Braun and the Sandmeyer reaction are the high temperature (150-250°C) and the use of stoichiometric amounts of copper(I) cyanide as cyanating agent, which leads to equimolar amounts of heavy metal waste.…”

Poly[di-μ3-hydroxymethanesulfinato-zinc(II)]

“…The long known (Meister et al, 1905) zinc(II) formaldehyde sulfoxylate [or zinc(II) hydroxymethanesulfinate, CAS 24887-06-7], (I), crystallizes in the non-centrosymmetric, but achiral, space group Cc, with one crystallographically independent zinc(II) ion and two distinct hydroxymethanesulfinate groups per asymmetric unit. The latter act as chelating ligands as well as bridging groups within a three-dimensional complex and dense framework.…”