The stereochemistry of organometallic compounds. XLIII* rhodium-catalysed reactions of 2-(alkenyloxy)benzylamines and 2-(N-allyl-N-benzylamino)benzylamine
Reactions of 2-(allyloxy)benzylamines with H2/CO in the presence of rhodium catalysts give 1,3-benzoxazines, and 2-(N-allyl-N-benzylamino)benzylamine gives a quinazoline. These reactions have been shown to involve allylic cleavage followed by regioselective carbonylation at the internal carbon atom as demonstrated by crossover experiments. Reactions of longer chain (alkenyloxy)benzylamines under similar conditions give polymeric material.
Campi, Eva M.,Jackson, W. Roy,McCubbin, Quentin J.,Trnacek, Andrew E.
p. 219 - 230
(2007/10/03)
Intramolecular Photocycloaddition of 4-Phenoxybut-1-enes: a Convenient Access to the 4-Oxatricyclo3.7>undeca-2,10-diene Skeleton
The photochemistry of 4-phenoxybut-1-ene is markedly influenced by the presence and position of electron-withdrawing substituents on the benzene ring.A cyano substituent in the 2'-or 4'-position promotes an efficient intramolecular cycloaddition to give g
Al-Qaradawi, Siham Y.,Cosstick, Kevin B.,Gilbert, Andrew
p. 1145 - 1148
(2007/10/02)
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