Studies on the effect of remote substituents on stereoreactivity. II. Importance of the halogen and of steric factors on the course of the cycloaddition of different diazoalkanes to 7 - halonorbornadienes (1).-Science-Chemical Encyclopedia-lookchem

Studies on the effect of remote substituents on stereoreactivity. II. Importance of the halogen and of steric factors on the course of the cycloaddition of different diazoalkanes to 7 - halonorbornadienes (1).
Add time:07/19/2019 Source:sciencedirect.com

The reaction of 7-fluoro and 7-chloronorbornadiene with different diazoalkanes was studied in order to determine the respective influence of these halogens on the steric course of the cycloadditions. The endo attack is predominant with small diszocompounds even with fluorine as the C 7 halogen.

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