ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE

ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE - Names and Identifiers

Name	ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE
Synonyms	ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE Ethyl 3-oxo-4-(triphenylphosphoranylidene)butanoate [3-(ETHOXYCARBONYL)-2-OXOPROPYLIDENE]TRIPHENYLPHOSPHORANE 4-(Triphenylphosphoranylidene)acetoacetic Acid Ethyl Ester 3-Oxo-4-(triphenylphosphoranylidene)butanoic Acid Ethyl Ester
CAS	13148-05-5

ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE - Physico-chemical Properties

Molecular Formula	C24H23O3P
Molar Mass	390.41
Density	1.18±0.1 g/cm3(Predicted)
Melting Point	101-106 °C
Boling Point	544.0±52.0 °C(Predicted)
Solubility	Acetone, Dichloromethane, Methanol
Appearance	solid
Color	Off-White to Pale Yellow
Storage Condition	-20°C Freezer
Stability	Moisture Sensitive

ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE - Risk and Safety

Safety Description	24/25 - Avoid contact with skin and eyes.
WGK Germany	3
HS Code	29319090

ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE - Upstream Downstream Industry

Downstream Products

5-Methyl-1-phenyl-1H-[1, 2, 3]triazole-4-carboxylic acid

ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE - Introduction

ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE(ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE) is an organic compound with the formula C27H23O3P. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE is a colorless to yellowish solid or oily liquid.
-Melting point: According to different crystal forms, the melting point is between 20-25°C.
-Solubility: Soluble in organic solvents such as ethers, esters and aromatic hydrocarbons.
-Reactivity: Reactivity, especially easy to degrade under acidic conditions.

Use:
-As an important reagent in organic synthesis, it is used to construct a compound skeleton with pharmaceutical activity.
-Used as a material in laser technology.
-Acts as a catalyst in certain catalytic reactions.

Method:
ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE is usually prepared by the following steps:
-First, react ethyl 3-oxopropionate with triphenylphosphine in monochloromethane to generate triphenylphosphine 3-isopropyloxopropionate.
-Then, add LiHMDS (lithium tetramethylurea bromide) to the excess dichloromethane solvent, and react with the product generated in the previous step, the target product, ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE, was generated.

Safety Information:
- ETHYL 3-OXO-4-(TRIPHENYLPHOSPHORANYLIDENE)BUTYRATE needs to be handled with caution and needs to be used under appropriate laboratory conditions.
-This compound may be irritating to the eyes, skin and respiratory system and requires the use of appropriate protective measures such as gloves, glasses and a protective face mask.
-During storage and handling, keep away from ignition and oxidizing agents.
-When using and disposing of this compound, please follow relevant regulations and safe operating procedures.

Last Update：2024-04-09 21:01:54