Synthesis of furan-fused 1,4-dihydrocarbazoles via an unusual Garratt-Braverman Cyclization of indolyl propargyl ethers and their antifungal activity
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DOI: 10.1016/j.tet.2018.05.001
Abstract: Abstract The reactivity of indole based bis-propargyl ethers 4a-4g under Garratt-Braverman condition (KOBut in refluxing toluene) has been studied. Interestingly, these propargyl systems with one arm attached with substituted 3-indolyl derivatives leaving the other arm… read more here.
Keywords: propargyl ethers; synthesis furan; furan fused; garratt braverman ... See more keywords
Synthesis of Indenoquinoxalinone-5-(furano, pyrano, and oxepino)spiro Ethers from Alkenylated Propargyl Ethers of Indenoquinoxalinone via Ring-Closing Enyne Metathesis
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DOI: 10.1055/a-2489-7403
Abstract: A facile and efficient synthetic route for indenoquinoxalinone spiro-oxacyclic systems with small to medium ring sizes has been developed via an efficient ring-closing enyne metathesis (RCEYM) as a key step. The starting material O -alkylated… read more here.
Keywords: alkenylated propargyl; propargyl ethers; indenoquinoxalinone; ring closing ... See more keywords
Phosphine Induced Dimerization of Propargyl Alcohols Leading to Allyl Propargyl Ethers.
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DOI: 10.5650/jos.ess17277
Abstract: A facile method for synthesizing allyl propargyl ethers (APEs) was developed based on the dimerization of propargyl alcohols. The reaction proceeded via an oxaphosphetane intermediate, which was generated without the use of a strong base,… read more here.
Keywords: dimerization; dimerization propargyl; propargyl ethers; reaction ... See more keywords