Siloxy(trialkoxy)ethene undergoes regioselective [2+2] cycloaddition to ynones and ynoates en route to functionalized cyclobutenedionesElectronic supplementary information (ESI) available: Experimental details and characterization data. CCDC 662792 and 709482. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c0cc00883d

Regioselective [2+2] cycloaddition of ynones or ynoates to siloxy(trialkoxy)ethene (KSA) is described. A siloxy group on the KSA directs the perfect regioselectivity, allowing rapid construction of various functionalized cyclobutenedione derivatives. Regioselective [2+2] cycloaddition of ynone and y...

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Main Authors: Iwata, Shin, Hamura, Toshiyuki, Suzuki, Keisuke
Format: Article
Language:English
Online Access:Get full text
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Summary:Regioselective [2+2] cycloaddition of ynones or ynoates to siloxy(trialkoxy)ethene (KSA) is described. A siloxy group on the KSA directs the perfect regioselectivity, allowing rapid construction of various functionalized cyclobutenedione derivatives. Regioselective [2+2] cycloaddition of ynone and ynoate with fully oxygenated KSA gives highly functionalized cyclobutenedione derivatives.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc00883d