NDLI: Synthesis of Heterocyclic Stable Phosphorus Ylides from Reaction Between Triphenylphosphine and Activated Acetylenic Esters in the Presence of Biological Active NH Heterocyclic Compounds

Content Provider	Semantic Scholar
Author	Maghsoodlou, Malek Taher Heydari, Reza Hazer, Norollah Habibi-Khorassani, Sayyed Mostafa Nassiri, Mahmoud Kazemian, Mohammad Amin
Copyright Year	2015
Abstract	Triphenylphosphine reacts with dialkyl acetylenedicarboxylates in the presence of biological active NH heterocyclic compounds, such as (2H) -3-pyridazinone, 1-phenyl-3-pyrazolidinone, 2,4thiazolinedione, Rhodanine, 4,5,6,7-tetrahydroindazole and 3-methylpyrazole to generate stable phosphorus ylides. These compounds exist in solution as a mixture of two geometrical isomers as a result of restricted rotation around the carbon-carbon partical double bond resulting from conjugation of the ylide moiety with the adjacent carbonyl group.
Starting Page	51
Ending Page	60
Page Count	10
File Format	PDF HTM / HTML
Volume Number	1
Alternate Webpage(s)	http://biomedpharmajournal.org/download/10794
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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