期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 88, 期 13, 页码 9488-9495出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.3c00530
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A concise and efficient method for the synthesis of fully substituted cyclobutane derivatives from 1,4-diyn-3-ols and anhydrides was developed. Mechanistic studies suggested a tandem esterification, isomerization to give allenyl ester, and homointermolecular [2+2] cycloaddition may be involved. This protocol offers practicality, mild reaction conditions, high regio- and stereoselectivity, and is easily scalable for gram-scale synthesis.
A concise and efficient synthesis of fully substitutedcyclobutanederivatives from 1,4-diyn-3-ols and anhydrides was developed. Mechanisticstudies indicated that a tandem esterification, isomerization to giveallenyl ester, and homointermolecular [2+2] cycloaddition might beinvolved. The features of this protocol are its operational practicality,mild reaction conditions, and high regio- and stereoselectivity, andit is a readily accessible gram-scale synthesis.
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