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 groups remain on the same side of ____ ______ _________ ____ __________ _____ ________.
_____ ______ _____ ___ ______ ____ ______ _____ _____ _______.
____ ____ __________ _______ ____ ______ ____ _______ _________ _______ _______ _______.
________ _______ ____ _________ _________ ________ ___ ___ ________ _____ __________.
________ ___ ___ ______ ________ ____ _______ __________.
_______ _______ _______ _________ _________.
___ ___ __________ ___ _________ ___ ___ _____ ________ _____ ___.
____ __________ _________ ________ _________ ________ _________ _____ _______ _______ ________ ________.
_____ _____ ________ _________ _______ __________ _____.
_______ ____ _______ ________ ___ ____ ___ ________ _________ ____ ____ ____.
_______ ____ __________ _______ ___ ___ _______ __________ _________.
_________ ____ __________ _____ ______ ____ ________ ____ ____ ___.
__________ ____ _____ _________ _____ ________ _____ _____.
__________ _________ _______ _____ _____ ___.
_____ ___ _______ ___ ______ _______.
_____ ___ _________ ______ ________ _______ _____ ________.
____ ________ ________ ________ _____ _________ ______ ______ _____.
____ ___ _______ ____ _______ ____ _________ ________ ______ _________ ____ _____.
______ _______ __________.
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 groups remain on the same side of ____ ______ _________ ____ __________ _____ ________.
_____ ______ _____ ___ ______ ____ ______ _____ _____ _______.
____ ____ __________ _______ ____ ______ ____ _______ _________ _______ _______ _______.
________ _______ ____ _________ _________ ________ ___ ___ ________ _____ __________.
________ ___ ___ ______ ________ ____ _______ __________.
_______ _______ _______ _________ _________.
___ ___ __________ ___ _________ ___ ___ _____ ________ _____ ___.
____ __________ _________ ________ _________ ________ _________ _____ _______ _______ ________ ________.
_____ _____ ________ _________ _______ __________ _____.
_______ ____ _______ ________ ___ ____ ___ ________ _________ ____ ____ ____.
_______ ____ __________ _______ ___ ___ _______ __________ _________.
_________ ____ __________ _____ ______ ____ ________ ____ ____ ___.
__________ ____ _____ _________ _____ ________ _____ _____.
__________ _________ _______ _____ _____ ___.
_____ ___ _______ ___ ______ _______.
_____ ___ _________ ______ ________ _______ _____ ________.
____ ________ ________ ________ _____ _________ ______ ______ _____.
____ ___ _______ ____ _______ ____ _________ ________ ______ _________ ____ _____.
______ _______ __________.
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★★★