1,6-Conjugate addition of nitroalkanes to methyl 1,3-butadiene-1-carboxylate, performed with Amberlyst A 27, using microwaves and in the absence of any solvent, allows the prevalent formation of the β,γ-unsaturated adduct, over the α,β-unsaturated one. The products were exclusively obtained as (E)-isomers.
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Titolo: | Stereoselective preparation of (E)-ε-nitro-β,γ-unsaturated methyl esters: Amberlyst A 27, using microwave, as superior catalyst for the 1,6-conjugate addition of nitroalkanes to methyl 1,3-butadiene-1-carboxylate |
Autori: | |
Data di pubblicazione: | 2001 |
Rivista: | |
Abstract: | 1,6-Conjugate addition of nitroalkanes to methyl 1,3-butadiene-1-carboxylate, performed with Amberlyst A 27, using microwaves and in the absence of any solvent, allows the prevalent formation of the β,γ-unsaturated adduct, over the α,β-unsaturated one. The products were exclusively obtained as (E)-isomers. |
Handle: | http://hdl.handle.net/11581/241769 |
Appare nelle tipologie: | Articolo |
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