4-Pentynal, 5-phenyl- → HCID 70372346, compound

HRID 1722230Notes

Reaction equation

HRID 1722230 reaction equation
[C:1]1([C:7]#[C:8][CH2:9][CH2:10][CH:11]=O)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:13]([CH2:18][CH:19]=P(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)([O:15][CH2:16][CH3:17])=[O:14]>>[CH3:19]/[C:18](=[CH:11]\[CH2:10][CH2:9][C:8]#[C:7][C:1]1[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1)/[C:13]([O:15][CH2:16][CH3:17])=[O:14]

Participants

3

Reactant 2

HCID 112406334-Pentynal, 5-phenyl-HCID 12607919Ethyl 3-(triphenyl-lambda~5~-phosphanylidene)propanoate

Product 1

HCID 70372346HCID 70372346, compoundYield 98%

Procedure

5-phenyl-pent-4-yn-1-al (1 g, 6.33 mmol) (Example 1) and carboethoxymethylmethylene triphenylphosphorane were used with the same method as in Example 1 to give 1.5 g (98% of theory) of ethyl 2-methyl-7-phenyl-(2E)-hepten-6-ynoate as a pale yellow oil.

Sources & evidence

ORD record
ord-57d0b18fc37c4aa985eda460ee303301
Source dataset
uspto-grants-1989_08
Patent number
US04855086

Reaction notes

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