1,3-Cyclopentadiene, 5-(1-methylethylidene)- → Lithium tert-butylcyclopentadienide

HRID 863390Notes

Reaction equation

HRID 863390 reaction equation
[CH3:1][C:2]([CH3:8])=[C:3]1[CH:7]=[CH:6][CH:5]=[CH:4]1.[CH3:9][Li:10]>C(OCC)C>[C:2]([C-:3]1[CH:7]=[CH:6][CH:5]=[CH:4]1)([CH3:9])([CH3:8])[CH3:1].[Li+:10]

Participants

4

Reactant 2

HCID 1374671,3-Cyclopentadiene, 5-(1-methylethylidene)-HCID 178418348HCID 178418348, compound

Product 1

HCID 12713396Lithium tert-butylcyclopentadienide

Reagents, catalysts & solvents 1

HCID 3283Diethyl EtherSolvent2×

Procedure

To a solution of 4.18 g (39.4 mmol) 6,6-dimethylfulvene in 80 mL diethylether at 0° C. were added 22.9 mL of a 1.72M (39.4 mmol) methyl lithium solution in ether. The resulting slurry was stirred several days, then filtered, washed with pentane and dried under vacuum.

Workup

  1. filtrationfiltered
  2. washwashed with pentane
  3. customdried under vacuum

Sources & evidence

ORD record
ord-019418057763452d91d933b124ed72ee
Source dataset
uspto-grants-1998_02
Patent number
US05721185

Reaction notes

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