99484-90-9Relevant academic research and scientific papers
Direct amino-phenylselenylation of enoates: An easy route to α- phenylseleno-β-amino esters and β-lactams
Torchiarolo, Giuliano Caracciolo,D'Onofrio, Franco,Margarita, Roberto,Parlanti, Luca,Piancatelli, Giovanni,Bella, Marco
, p. 15657 - 15666 (2007/10/03)
A 'one-pot' procedure to obtain α-phenyiseleno-β-amino esters from the corresponding enoates is described. The target compounds are useful synthetic tools and direct precursors of new α-phenylseleno-β-lactams, which can be easily transformed into their α-
The Binary Reagent PhSeCl-ZnCl2: a Powerful Chloro-Phenylselenenylating Agent of Electrophilic Olefins
D'Onofrio, Franco,Parlanti, Luca,Piancatelli, Giovanni
, p. 1929 - 1932 (2007/10/02)
The binary reagent PhSeCl-ZnCl2 was found to be powerful for the stereocontrolled conversion of highly electrophilic olefins, such as maleate and fumarate esters, into the corresponding chloro phenylseleno derivatives in very high yields.Other olefins, su
CAPTODATIVE SUBSTITUENT EFFECTS XXI. SYNTHESIS OF SELENENYLATED CAPTODATIVE OLEFINS VIA SELENENYL HALIDE ADDITION TO OLEFINS BEARING ELECTRON-WITHDRAWING SUBSTITUENTS
Piettre, S.,Janousek, Z.,Merenyi, R.,Viehe, H. G.
, p. 2527 - 2544 (2007/10/02)
Addition of methane- and benzeneselenenyl bromide or chloride and benzene sulfenyl chloride to carbon-carbon double bonds substituted by electron-withdrawing groups is achieved in solvents of different polarity.Two regioisomeric adducts 6 and 7 or 8 and 9 are generally formed, which can be interconverted by equilibration in refluxing acetonitrile.It is of mechanistic interest that the regioisomers may also derive from selenenyltrihalide adducts.In comparison to acrylic esters, the propiolic ester reacts more slowly, producing mainly the α-selenenyl adduct.Dehydrohalogenation of adducts provides a general and valuable method for the preparation of olefins carrying methyl or phenylselenyl groups in α-position to electron-withdrawing substituents.
