Question
Give the oxiranes formed by the epoxidation reactions of cis- and trans-2-butenes. Also write the mechanism of this reaction.
Answer :
Word Count : 207
In epoxidation of alkenes using a peroxyacid such as mCPBA, cis- and trans-2-butenes yield stereospecific oxiranes due to concerted addition of an oxygen atom across the double bond. Cis-2-butene gives cis-2,3-dimethyloxirane, where both methyl ______ _________ _______ _________ _________ _____ ____ _____ _______.
_____ __________ ________ _____ ________ ________ ______.
_________ ______ _______ _____ __________ _____ _____ ________ ______ __________ _____ ___.
___ ___ __________ _________ ________ ______ ______ _______ _____ ___.
__________ ___ _________ _______ ___.
_____ ________ __________ _________ ________ _________ _____ ___ _____ _________ _______.
__________ ______ ____ ___ ___ ________.
_________ ____ ___ ____ _____ ___ ____ __________ __________ ________ _________.
_____ ___ ___ _______ ____ _________ ______ ____.
______ ____ ___ __________ __________ ___ _____ ______.
___ ____ ____ ___ ___ ______ ___ ___ _______ _________.
________ ____ ______ ___ ____ __________ ___ ________ _________ _________ ________.
_______ ________ _____ _______ _____ ___ ______ ___.
____ _________ ______ _______ __________ _______ ___.
_____ ______ ___ _______ ____ __________.
______ ________ ____ _____ ________ ________ ______ _______ __________ _________ _______ ______.
___ _______ __________ _________ _____ ___ _____ __________ ____ ___.
______ ____ ________ _________ _________.
_________ ______ ________ _____ ____ ___ _____ _______ __________ ___ ________ ______.
______ _______ _______ _________ ______.
Get Full Answer on WhatsApp
In epoxidation of alkenes using a peroxyacid such as mCPBA, cis- and trans-2-butenes yield stereospecific oxiranes due to concerted addition of an oxygen atom across the double bond. Cis-2-butene gives cis-2,3-dimethyloxirane, where both methyl ______ _________ _______ _________ _________ _____ ____ _____ _______.
_____ __________ ________ _____ ________ ________ ______.
_________ ______ _______ _____ __________ _____ _____ ________ ______ __________ _____ ___.
___ ___ __________ _________ ________ ______ ______ _______ _____ ___.
__________ ___ _________ _______ ___.
_____ ________ __________ _________ ________ _________ _____ ___ _____ _________ _______.
__________ ______ ____ ___ ___ ________.
_________ ____ ___ ____ _____ ___ ____ __________ __________ ________ _________.
_____ ___ ___ _______ ____ _________ ______ ____.
______ ____ ___ __________ __________ ___ _____ ______.
___ ____ ____ ___ ___ ______ ___ ___ _______ _________.
________ ____ ______ ___ ____ __________ ___ ________ _________ _________ ________.
_______ ________ _____ _______ _____ ___ ______ ___.
____ _________ ______ _______ __________ _______ ___.
_____ ______ ___ _______ ____ __________.
______ ________ ____ _____ ________ ________ ______ _______ __________ _________ _______ ______.
___ _______ __________ _________ _____ ___ _____ __________ ____ ___.
______ ____ ________ _________ _________.
_________ ______ ________ _____ ____ ___ _____ _______ __________ ___ ________ ______.
______ _______ _______ _________ ______.
Get Full Answer on WhatsApp
IGNOU NEWS
Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★