Chemistry Letters p. 337 - 340 (1982)
Update date:2022-08-05
Topics:
Abe, Yukio
Suehiro, Tadashi
On heating tosylates of ethyl 2-alkyl-2-methyl-3-hydroxy-3-phenylpropanoate (R=Me, 1b; R=Et, 6) in o-dichlorobenzene at 170 deg C, ethyl 1- methyl-2-phenyl- and 1,2-dimethyl-3-phenylcyclopropanecarboxylates, 3, and 8, were formed in both 5percent yield, respectively, whereas the alkyl migration products, ethyl 3-alkyl-2-methyl-3-phenylpropenoates, were not produced.The mode of the reaction of the methyl group with the cationic carbon was described.
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Doi:10.1002/jhet.5570300538
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