ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE
- Product Name
- ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE
- CAS No.
- 13148-05-5
- Chemical Name
- ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE
- Synonyms
- ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE;Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate;Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate,97%;[3-(ETHOXYCARBONYL)-2-OXOPROPYLIDENE]TRIPHENYLPHOSPHORANE;4-(Triphenylphosphoranylidene)acetoacetic Acid Ethyl Ester;3-Oxo-4-(triphenylphosphoranylidene)butanoic Acid Ethyl Ester;[3-(Ethoxycarbonyl)-2-oxopropylidene]triphenylphosphorane, 98 %;Butanoic acid, 3-oxo-4-(triphenylphosphoranylidene)-, ethyl ester;Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate, [3-(Ethoxycarbonyl)-2-oxopropylidene]triphenylphosphorane
- CBNumber
- CB6100591
- Molecular Formula
- C24H23O3P
- Formula Weight
- 390.41
- MOL File
- 13148-05-5.mol
ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE Property
- Melting point:
- 101-106 °C
- Boiling point:
- 544.0±52.0 °C(Predicted)
- Density
- 1.18±0.1 g/cm3(Predicted)
- storage temp.
- -20°C Freezer
- solubility
- Acetone, Dichloromethane, Methanol
- form
- solid
- color
- Off-White to Pale Yellow
- Stability:
- Moisture Sensitive
Safety
- Safety Statements
- 24/25
- WGK Germany
- 3
- HS Code
- 29319090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
N-Bromosuccinimide Price
- Product number
- 420670
- Product name
- Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate
- Purity
- 97%
- Packaging
- 5g
- Price
- $228
- Updated
- 2023/01/07
- Product number
- E925425
- Product name
- Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate
- Packaging
- 5g
- Price
- $65
- Updated
- 2021/12/16
- Product number
- 6678-1-X1
- Product name
- [3-(Ethoxycarbonyl)-2-oxopropylidene]triphenylphosphorane
- Packaging
- 5G
- Price
- $72
- Updated
- 2021/12/16
- Product number
- 6678-1-X1
- Product name
- [3-(Ethoxycarbonyl)-2-oxopropylidene]triphenylphosphorane
- Packaging
- 25g
- Price
- $248
- Updated
- 2021/12/16
- Product number
- ING0003240
- Product name
- [3-(ETHOXYCARBONYL)-2-OXOPROPYLIDENE]TRIPHENYLPHOSPHORANE
- Purity
- 95.00%
- Packaging
- 5G
- Price
- $468
- Updated
- 2021/12/16
ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE Chemical Properties,Usage,Production
Description
Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate is a Wittig reagent for the stereoselective synthesis of (Z)-enones; annulation reagent for the synthesis of cyclohexenones.
Chemical Properties
Off-White Powder
Uses
Can be coupled with glyoxals in a one-step route to 4-hydroxycyclopentanones. Also used to prepare 2H-pyran-2-ones from oxazolones.
Uses
Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate can be a useful synthetic intermediate in the production of antibiotics.
reaction suitability
reaction type: C-C Bond Formation
Synthesis
Ethyl 4- (Triphenylphosphoranylidene)acetoacetate is prepared in two steps from ethyl or
methyl 4-chloroacetoacetates (see Ethyl 4-Chloroacetoacetate), respectively, in 58-68% overall yield (eq 1).
ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE Preparation Products And Raw materials
Raw materials
Preparation Products
ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE Suppliers
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