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Mostrando ítems 21-30 de 346
A convenient preparation of 1,2,3,4,5,6,7,8-octahydro-naphthalene skeleton. Synthesis of (+/-)-isocaridiene
(Marcel Dekker IncNew YorkEUA, 2002)
Convenient synthesis of ketal derivatives from cubebin using amberlite as heterogeneous catalyst
(Springer, 2015-01-01)
Eleven ketal derivatives were prepared from the natural product cubebin using Amberlite IR-120AR as heterogeneous catalyst and ROH as the source of the alkyl group.
A Convenient Synthesis of Quaternary Ammonium Gemini Surfactants from Long-chain alkyldimethylamines and Epichlorohydrin
(Georg Thieme Verlag Kg, 2002-12)
Aqueous micellar systems proved to be an excellent reaction medium for the selective synthesis of bis-quaternary ammonium salts 5a-c from epichlorohydrin 2 and long-chain alkyldimethylamines 1a-c, in the presence of the ...
A convenient synthesis of benzo[g]pyrrolo[3,2-c]quinoline-6,11-diones
(2005)
The synthesis of a new class of angular tetracyclic quinones is described. Our strategy involves Diels-Alder reaction of pyrroloquinolinequinone 9, generated in situ from pyrroloquinoline 8, and dienes. The required ...