Synthesis of novel organophosphorus compounds via reaction of substituted 2-oxoindoline-3-ylidene with acetylenic diesters and triphenylphosphine or triphenyl phosphite
Mahsa Najafi, Ghasem Marandi
TL;DR
This paper describes a new method to create stable organophosphorus compounds using specific chemical reactions.
Contribution
The paper introduces a novel synthetic route for functionalized 2-oxoindoline-3-ylidene compounds with phosphorus.
Findings
The reaction produces stable phosphorus ylides or phosphonate esters with good yields.
Substituted 2-oxoindoline-3-ylidene derivatives react efficiently with acetylenic esters.
Triphenylphosphine or triphenyl phosphite are effective reagents in the synthesis.
Abstract
An efficient reaction between triphenylphosphine or triphenyl phosphite and 2-oxoindoline-3-ylidene derivatives in the presence of acetylenic esters leads to functionalized 2-oxoindoline-3-ylidene containing phosphorus ylieds or phosphonate esters. All compounds obtained in these reactions are stable and have good yields.
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Taxonomy
TopicsPhosphorus compounds and reactions · Synthesis and Reactivity of Sulfur-Containing Compounds · Synthesis and Reactivity of Heterocycles