Method of converting functional group through halogen-metal...

Details Method of converting functional group through halogen-metal... Method of converting functional group through halogen-metal...

2005-09-20

2005-09-20

Davis, Zinna Northington (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C570S101000, C570S260000

Reexamination Certificate

active

06946559

ABSTRACT:
A method by which a halogen atom of a halogen compound can be efficiently replaced with an electrophilic group.Also provided are: a reagent for converting a functional group through a halogen-metal exchange reaction, characterized by comprising either a mixture of a magnesium compound represented by the formula R1—Mg—X (I) (wherein R1represents a halogen atom or an optionally substituted hydrocarbon residue; and X1represents a halogen atom) and an organolithium compound represented by the formula R2—Li (II) (wherein R2represents an optionally substituted hydrocarbon residue) or a product of the reaction of the magnesium compound with the organolithium compound; and a process for producing with the reagent a compound in which a halogen atom of a halogen compound has been replaced with an electrophilic group.

REFERENCES:
patent: 3972953 (1976-08-01), Lyons
patent: 56-112916 (1981-09-01), None
patent: 10-130179 (1998-05-01), None
Kitagawa Kazuya et al., “Halogen-Magnesium Exchange Via Trialkylmagnesates for the Preparation of Aryl- and Alkenylmagnesium Reagents”, Angew. Chem. Int. Ed., 2000, vol. 39, No. 14, pp. 2481-2483.

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