Oxygen → HCID 178506801, compound
Reaction equation
C([Li:5])(CC)C.O=O.[C:8]1([C:14]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)=[CH2:15])[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1.[CH2:22]1CC[CH2:25][CH2:24][CH2:23]1>>[C:8]1([C:14]([Li:5])([C:16]2[CH:17]=[CH:18][CH:19]=[CH:20][CH:21]=2)[CH2:15][CH2:22][CH2:23][CH2:24][CH3:25])[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1Participants
5
Procedure
An initiator slurry was prepared by mixing 775.9 ml of 1.3 M sec-butyl lithium in cyclohexane with 4133 g of oxygen-free cyclohexane and stirred at room temperature for about 30 minutes. To this solution was added 196 g of 1,1-diphenylethylene, which resulted in the formation of a red colored solution of 1,1-diphenylhexyl lithium. Purified 2-ethylhexyl methacrylate monomer (pumped via a reciprocating piston pump at a rate of 89.3 g/min) was fed into zone 1 of the 3.3 Liter STR.
Workup
- customAn initiator slurry was prepared
Sources & evidence
- ORD record
- ord-aa2be0ae7b094bc48d6e8bb570f62f92
- Source dataset
- uspto-grants-2004_04
- Patent number
- US06716935B1
Reaction notes
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