Process for preparing monohalogenated cyclobutarenes

Details Process for preparing monohalogenated cyclobutarenes Process for preparing monohalogenated cyclobutarenes

1988-06-17

1990-01-02

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570270, 570208, 570209, 570210, C07C 2124, C07C 1700

Patent

active

048914550

ABSTRACT:
Monohalogenated cyclobutarenes are prepared by halogenating a cyclobutarene in the presence of an organic complexing agent, an acid scavenger, or water. Faster reaction rates highly selective to monohalogenated cyclobutarenes are obtained without conventional heavy metal or halogen catalysts.

REFERENCES:
patent: 4540011 (1986-02-01), So
patent: 4540763 (1985-09-01), Kirchhoff
J. B. F. Lloyd et al., "The Electrophilic Substitution of Benzocyclobutene-II", Tetrahedron, 1965, vol. 21, pp. 245-254.

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