1970
DOI: 10.1016/s0040-4039(01)98103-1
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Some reactions of 3-ethoxy-1,2,3-triphenylcyclopropene

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Cited by 10 publications
(9 citation statements)
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“…Similarly, heating a sample of compound (10) afforded a mixture of (1 1) and ( 13). One additional point worth noting is that thiophens (9) and (12) [as well as (1 1) and ( 13)] are readily interconverted under the reaction conditions employed.…”
Section: Resultsmentioning
confidence: 99%
“…Similarly, heating a sample of compound (10) afforded a mixture of (1 1) and ( 13). One additional point worth noting is that thiophens (9) and (12) [as well as (1 1) and ( 13)] are readily interconverted under the reaction conditions employed.…”
Section: Resultsmentioning
confidence: 99%
“…This latter product is also formed upon reaction of l a with [(C,H,)PtCl,], [l 11 or with an acid catalyst [12]. 3-Alkoxy-substituted triphenylcyclopropenes l b [13] and l c undergo the same transformation and afford the substituted indenes 5b and 5c, but in this case only the Cu(1) catalysts are effective. With lb, Rh,(PFB), produced only the unsaturated ketone 6, which originates from ring opening [16] in essentially quantitative yield, took place.…”
mentioning
confidence: 99%
“…It is well known that suitably substituted cyclopropenes undergo both cycloaddition and complexation with transition metal complexes as a mean of releasing strain. [26][27][28] This intermediate could undergo a reversible electrocyclic [ p 2 s + s 2 s ] ring opening 29 to give the corresponding Rh-coordinated vinylcarbene 10 which can exist as an E/Z set of diastereomers. More than likely, the formation of 3/4 proceeds by equilibration of the (E)-and (Z)-vinylcarbenoids in analogy with the isomerisation observed in related thermal and photochemical cyclopropene-vinylcarbene rearrangements.…”
Section: Equationmentioning
confidence: 99%