Photocycloaddition reactions of trans-[beta]-nitrostyrene

Hoganson, E. D.

doi:10.31274/rtd-180813-343

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“…This could be because the mono-adduct or the Michael acceptor itself were not stable. In fact, it is reported that β-nitrostyrene undergoes [2 + 2] cycloaddition in the presence of sunlight [25]. Even when the reaction was repeated in the absence of light, the product obtained was still not characterized by proton NMR because the crude was exposed to light during column chromatography.…”

Section: Resultsmentioning

confidence: 99%

Aza-Michael Mono-addition Using Acidic Alumina under Solventless Conditions

Bosica

Abdilla

2016

Molecules

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Aza-Michael reactions between primary aliphatic and aromatic amines and various Michael acceptors have been performed under environmentally-friendly solventless conditions using acidic alumina as a heterogeneous catalyst to selectively obtain the corresponding mono-adducts in high yields. Ethyl acrylate was the main acceptor used, although others such as acrylonitrile, methyl acrylate and acrylamide were also utilized successfully. Bi-functional amines also gave the mono-adducts in good to excellent yields. Such compounds can serve as intermediates for the synthesis of anti-cancer and antibiotic drugs.

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Section: Resultsmentioning

confidence: 99%