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CAS No 41114-59-4 , Nysted Reagent

  • Name: Nysted Reagent
  • Synonyms: Nysted'sreagent;Nysted Reagent;
  • CAS Registry Number:
  • Transport: UN 3399
  • Flash Point: 15 ºF
  • Density: 1.186 g/mL at 25 °C(lit.)
  • Safety Statements: R11;R14;R19;R22;R36/37/38
  • Hazard Symbols: Xn: Harmful;F: Flammable;
  • Flash Point: 15 ºF
  • Molecular Weight: 456.14
  • InChI: InChI=1/C4H8O.2CH2.2BrH.3Zn/c1-2-4-5-3-1;;;;;;;/h1-4H2;2*1H2;2*1H;;;/q;;;;;;2*+1/p-2/rC4H8O.C2H4Br2Zn3/c1-2-4-5-3-1;3-6-1-5-2-7-4/h1-4H2;1-2H2
  • Risk Statements: S16;S26;S36
  • Molecular Formula: C6H12Br2OZn3

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References of 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.