444915-08-6Relevant articles and documents
Gold-catalyzed synthesis of substituted tetrahydronaphthalenes
Grise, Christiane M.,Barriault, Louis
, p. 5905 - 5908 (2006)
(Diagram presented) We report a gold-catalyzed benzannulation of 3-hydroxy-1,5-enynes to generate tetrahydronaphthalenes. This mild process proves to be an effective method to synthesize various metasubstituted aromatic rings in good yields.
Gold(I)-catalyzed tandem cyclization-selective migration reaction of 1,3-dien-5-ynes: Regioselective synthesis of highly substituted benzenes
Garcia-Garcia, Patricia,Martinez, Alberto,Sanjuan, Ana M.,Fernandez-Rodriguez, Manuel A.,Sanz, Roberto
, p. 4970 - 4973 (2011/11/29)
Highly substituted benzene derivatives have been easily prepared in a regioselective way from readily available 1,3-hexadien-5-ynes through a gold(I)-catalyzed tandem reaction. The process involves an initial cyclization followed by a selective Wagner-Meerwein shift in which the migration preference seems to be determined by the ability to stabilize a positive charge.
Trisannelated benzene synthesis by copper(II) chloride
Mahmoodi, Nosrat O.,Hajati, Nezam
, p. 91 - 94 (2007/10/03)
Different ketones such as cyclohexanone, cyclopentanone, acetophenone, 2-acetonaphthalene, 4-methylcyclohexanone in the presence of anhydrous CuCl 2 (catalytic amounts) at reflux condition for 2-4 hours, without using a solvent led to dimers 2-(1-cyclohexane-1-yl)-cyclohexanone 6, 2-cyclopentylidene cyclopentanone 10, trimer dodecahydrotriphenylene (DTP) 4, trindan (tricyclopentabenzene) 9,1,3,5-triphenylbenzene (TBP) 12a, 1,3,5-triss-naphthylbenzene 12b and dodecahydro-2,6,10- trimethyltriphenylenes 17 and 18.
