Synthesis, Table of Contents PAPER© Georg Thieme Verlag Stuttgart ˙ New YorkOne-Pot Synthesis of 3,4-Dihydro-2(1H)-Quinazolinones through Palladium-Catalyzed Intramolecular Arylation of UreasRaffaella Ferraccioli*, Davide CarenziCNR-Istituto di Scienze e Tecnologie Molecolari (ISTM), Via C. Golgi 19, 20133 Milano, ItalyFax: +39(02)50314139; e-Mail: rferra@icil64.cilea.it; Recommend Article Abstract Buy Article All articles of this category Abstract 3,4-Dihydro-2(1H)-quinazolinone derivatives 3-3b have been synthesized through a one-pot palladium-catalyzed heterocyclization from N-benzyl-N-(2-bromoarylmethyl)amines 1-1b and aliphatic or aromatic isocyanates 2. Key words quinazolinone - palladium - arylations - isocyanates - urea - cyclizations Full Text References References <A NAME="RZ03103SS-1A">1a</A> Coyne WE. Cusic JW. J. Med. Chem. 1968, 11: 1208 <A NAME="RZ03103SS-1B">1b</A> Kornet MJ. J. Heterocycl. Chem. 1992, 29: 103 <A NAME="RZ03103SS-1C">1c</A> Sun Q. Zhou X. Kyle DJ. Tetrahedron Lett. 2001, 42: 4119 <A NAME="RZ03103SS-1D">1d</A> Tucker TJ. Lyle TA. Wiscount CM. Brichter SF. Young SD. Sanders WM. Lumma WC. Goldman ME. O’Brien JA. Ball RG. Homnick CF. Schleif WA. Emini EA. Huff JR. Anderson PS. J. Med. Chem. 1994, 37: 2437 <A NAME="RZ03103SS-1E">1e</A> Magnus NA. Confalone PN. Storace L. Tetrahedron Lett. 2000, 41: 3015 <A NAME="RZ03103SS-1F">1f</A> Xin Z. Pei Z. von Geldem T. Jirousek M. Tetrahedron Lett. 2000, 41: 1147 <A NAME="RZ03103SS-2A">2a</A> Bocelli G. Catellani M. Cugini F. Ferraccioli R. Tetrahedron Lett. 1999, 40: 2623 <A NAME="RZ03103SS-2B">2b</A> Catellani M. Catucci C. Celentano G. Ferraccioli R. Synlett 2001, 803 <A NAME="RZ03103SS-2C">2c</A> Ferraccioli R. Carenzi D. Catellani M. Synlett 2002, 1860 Palladium-catalyzed C-N bond forming reactions are powerful tools which opened new routes to aza-heterocycles from aryl halides with pendant amines and amides: <A NAME="RZ03103SS-3A">3a</A> Wolfe JP. Rennels RA. Buchwald SL. Tetrahedron 1996, 52: 7525 <A NAME="RZ03103SS-3B">3b</A> Yang BH. Buchwald SL. Org. Lett. 1999, 1: 35 <A NAME="RZ03103SS-4">4</A> Artamkina GA. Sergeev AG. Beletskaya IP. Tetrahedron Lett. 2001, 42: 4381 <A NAME="RZ03103SS-5">5</A> Mori M. Chiba K. Ban Y. J. Org. Chem. 1978, 43: 1684 <A NAME="RZ03103SS-6">6</A> Gies AE. Pfeffer M. J. Org. Chem. 1999, 64: 3650 <A NAME="RZ03103SS-7">7</A> Melnyk P. Gasche J. Thal C. Synth. Commun. 1993, 23: 2727