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RISAn efficient synthesis of imidazo[4,5-a]acridine-11-yl cyanides as new fluorescent heterocylic compounds
One of the most general mechanisms to transforming of δH-adducts into products of nucleophilic substitution of hydrogen is conversion of δH-adducts into nitroso compounds under proper conditions. This conversion occurs ...
Preyssler-type heteropoly acid: A new, mild and efficient catalyst for protection of carbonyl compounds
Preyssler-type heteropoly acid is introduced as a new, mild and efficient catalyst for protection of a variety of carbonyl compounds with 1,3-propane dithiol.
Synthesis of a novel fused tricyclic heterocycle, pyrimido[5,4- e ][1,4]thiazepine, and its derivatives
Sequential treatment of 5-bromo-2,4-dichloro-
6-(chloromethyl)pyrimidine with 2-aminothiophenol
and secondary amines afforded a series of 2-[(5-bromo-
2-chloro-6-aminopyrimidin-4-yl)methylthio]aniline ...
Preyssler-type heteropoly acid: A new, mild and efficient catalyst for protection of carbonyl compounds
The protection of carbonyl compounds as dithioacetals is an important sequence in multi step
preparation of many important organic compounds including multifunctional complex molecules [1].
Moreover, the ...
Preyssler-type heteropoly acid: A new, mild and efficient catalyst for protection of carbonyl compounds
The protection of carbonyl compounds as dithioacetals is an important sequence in multi step
preparation of many important organic compounds including multifunctional complex molecules [1].
Moreover, the ...