Nuclear megnetic resonance spectroscopy and the structures of the regioisomeric products of the cycloaddition of C-ethoxycarbonyl-N-arylnitrilimines to α,β-unsaturated ketones
(1)H NMR chemical shifts were used to assign the structures of the regioisomeric products obtained from the reactions of C-ethoxycarbonyl-N-arylnitrilimines 2A-E to α,β-unsaturated ketones 3a-j.The assignments were based on the large observed difference b
Shawali, Ahmad S.,Ezmirly, Saleh T.,Bukhari, Ahmad M.
p. 1165 - 1172
(2007/10/02)
THE STRUCTURE OF THE CYCLOADDITION PRODUCTS OF α-KETONITRILIMINES TO α,β-UNSATURATED KETONES
The cycloaddition of C-ethoxycarbonyl-N-arylnitrilimines 3 and their C-acetyl analogs 4 to α,β-unsaturated ketones 5 give predominantly the 5-acyl-4-aryl-2-pyrazoline derivatives 8 and 9 respectively.The structures of the cycloadducts 8 and 9 were support
Ezmirly, Saleh T.,Shawali, Ahmad S.,Bukhari, Ahmad M.
p. 1743 - 1750
(2007/10/02)
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