2-Cyclopropylbenzoic acids in the synthesis of phthalides and 3,4-dihydroisocoumarins

DOI: 10.1007/BF02290718

Source and publish data:

Chemistry of Heterocyclic Compounds p. 288 - 293 (1998)

Update date:2022-08-04

Topics:

Authors:

Mochalov

Fedotov Fedotov

Kutateladze

Trofimova

Shabarov

Zefirov Zefirov

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Article abstract of DOI:10.1007/BF02290718

2-Cyclopropylbenzoic acids, under the action of strong protic acids (FSO₃H, H₂SO₄), are convened to 3-ethylphthalidium ions. In solutions in these inorganic acids, the 3-ethylphthalidium ions are isomerized to 3-methyl-3,4

Full text of DOI:10.1007/BF02290718

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