Diethyl (cyanomethyl)phosphonate → HCID 23361350, compound
Reaction equation
[CH3:1][C:2]1[O:6][C:5]([CH2:7][O:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2/[CH:15]=[CH:16]/[CH:17]=O)=[N:4][C:3]=1[C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1.[C:25]([CH2:27]P(=O)(OCC)OCC)#[N:26]>>[CH3:1][C:2]1[O:6][C:5]([CH2:7][O:8][C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2/[CH:15]=[CH:16]/[CH:17]=[CH:27]/[C:25]#[N:26])=[N:4][C:3]=1[C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1Participants
3
Procedure
According to the method described for Reference Example 35, (E)-3-[2-(5-methyl-4-phenyl-2-oxazolylmethoxy)phenyl]-2-propen-1-al was allowed to react with diethyl cyanomethylphosphonate to give (E,E)-5-[2-(5-methyl-4-phenyl-2-oxazolylmethoxy)phenyl]-2,4-pentadienenitrile. Recrystallization from ethanol-chloroform gave colorless prisms, m.p.128°-129° C.
Sources & evidence
- ORD record
- ord-0706750c868849e2900e5aeedffe87fd
- Source dataset
- uspto-grants-1997_01
- Patent number
- US05591862
Reaction notes
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