Title of article :
Regioselective synthesis of 4-chlorophenols, 10-chloro-7-hydroxy-6H-benzo[c]chromen-6-ones, and 4-chloro-1-hydroxy-9H-fluoren-9-ones based on [3+3] cyclizations of 1,3-bis(silyloxy)-1,3-dienes with 2-chloro-3-silyloxy-2-en-1-ones
Author/Authors :
Mirza Arfan Yawer، نويسنده , , Ibrar Hussain، نويسنده , , Stefanie Reim، نويسنده , , Zafar Ahmed، نويسنده , , Ehsan Ullah، نويسنده , , Inam Iqbal، نويسنده , , Christine Fischer، نويسنده , , Isolde Kommer, Helmut Reinke، نويسنده , , Helmar G?rls، نويسنده , , Peter Langer، نويسنده ,
Abstract :
A variety of 4-chlorophenols, 10-chloro-7-hydroxy-6H-benzo[c]chromen-6-ones, and 4-chloro-1-hydroxy-9H-fluoren-9-ones were prepared by formal [3+3] cyclizations of 1,3-bis(silyloxy)-1,3-dienes with 2-chloro-3-(silyloxy)alk-2-en-1-ones.