Nysted Reagent
Title: Nysted Reagent
CAS Registry Number: 41114-59-4
CAS Name: Cyclo-dibromodi-m-methylene[m-(tetrahydrofuran)]trizinc
Molecular Formula: C6H12Br2OZn3
Molecular Weight: 456.19
Percent Composition: C 15.80%, H 2.65%, Br 35.03%, O 3.51%, Zn 43.01%
Literature References: Olefination reagent with two gem-dimetallic subunits. Prepn: GB 1304465; L. N. Nysted, US 3865848 (1973, 1975 both to G. D. Searle). Methylenation of carbonyl compounds: S. Matsubara, et al., Synlett 1998, 313.
Properties: Commercial product is a white suspension in THF. Low soly in ether, THF, and other aprotic solvents.
Use: Reagent for the methylenation of ketones and aldehydes.

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