6,6-diphenyl-6,7-dihydro-5H-dibenzo-[c,e]phosphepinium bromide → 2-Diphenylphosphinomethyl-2'-methylbiphenyl

HRID 2399Notes

Reaction equation

HRID 2399 reaction equation
[Br-].[C:2]1([P+:8]2([C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)[CH2:14][C:13]3[CH:15]=[CH:16][CH:17]=[CH:18][C:12]=3[C:11]3[CH:19]=[CH:20][CH:21]=[CH:22][C:10]=3[CH2:9]2)[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[H-].[Al+3].[Li+].[H-].[H-].[H-]>C1(C)C=CC=CC=1>[C:2]1([P:8]([CH2:9][C:10]2[CH:22]=[CH:21][CH:20]=[CH:19][C:11]=2[C:12]2[CH:18]=[CH:17][CH:16]=[CH:15][C:13]=2[CH3:14])[C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

4

Reactant 2

HCID 189292746,6-diphenyl-6,7-dihydro-5H-dibenzo-[c,e]phosphepinium bromideHCID 21226445Aluminium lithium hydride

Product 1

HCID 149653522-Diphenylphosphinomethyl-2'-methylbiphenyl

Reagents, catalysts & solvents 1

HCID 1140TolueneSolvent

Procedure

4 g (9.0 mmol) of 6,6-diphenyl-6,7-dihydro-5H-dibenzo-[c,e]phosphepinium bromide are suspended in 70 ml of absolute toluene under protective gas and reacted with 680 mg (18 mmol) of lithium aluminum hydride using a method analogous to Example 5.

Sources & evidence

ORD record
ord-9002cf0b40e547a59ee61a744aa9df18
Source dataset
uspto-grants-1998_03
Patent number
US05728886

Reaction notes

Loading…