Diethyl 2-butenylphosphonate, predominantly trans
Diethyl 2-butenylphosphonate, predominantly trans (CAS 682-34-8), is a chemical synthesis reagent with the molecular formula C8H17O3P. This organophosphorus compound is primarily utilised as an olefinic partner in organic synthesis, particularly in reactions like the Pauson-Khand reaction and various transformations involving C-C bond formation. Its specific structure makes it a valuable building block for complex organic molecules.
- IUPAC
- Diethyl trans-crotyl phosphonate
- Synonyms
- Diethyl trans-crotyl phosphonate
Pauson-Khand Reaction
Serves as the olefinic component in the Pauson-Khand reaction when paired with alkyne cobalt complexes, facilitating the formation of cyclic structures.
Synthesis of Vinylphosphonates
Reactant for the synthesis of di-Et 1-substituted vinylphosphonates through decarboxylative condensation reactions.
Organic Synthesis Intermediate
Employed in sequential lithiation and silylation reactions, palladium-catalyzed allylic acetoxylation, and the preparation of building blocks for retinoid chemistry.
Horner-Wadsworth-Emmons Reagents
Classified as a Horner-Wadsworth-Emmons reagent, it is instrumental in olefination reactions for constructing carbon-carbon double bonds.
| Molecular weight | 192.19 |
|---|---|
| Linear formula | H3CCH=CHCH2PO(OCH2CH3)2 |
| Assay | 95% |
| Density | 1.014 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4400(lit.) |
| Application | Olefinic partner for Pauson-Khand reaction with alkyne cobalt complex1Reactant for: • Synthesis of di-Et 1-substituted vinylphosphonates via decarboxylative condensation2• Sequential lithiation and silylation3• Palladium catalyzed allylic acetoxylation4• Preparation of building blocks of retinoid chemistry5 |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Diethyl 2-butenylphosphonate, predominantly trans used for?
+
Diethyl 2-butenylphosphonate, predominantly trans is used as an olefinic partner in the Pauson-Khand reaction and as a reactant in the synthesis of di-Et 1-substituted vinylphosphonates, sequential lithiation and silylation, palladium-catalyzed allylic acetoxylation, and preparation of building blocks of retinoid chemistry.
What are the CAS number and formula for Diethyl 2-butenylphosphonate, predominantly trans?
+
The CAS number is 682-34-8 and the linear formula is H3CCH=CHCH2PO(OCH2CH3)2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Diethyl 2-butenylphosphonate, predominantly trans with an assay of 95%. TSS does not represent this product as USP, BP, or EP grade.
How should Diethyl 2-butenylphosphonate, predominantly trans be handled safely?
+
This compound is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure adequate ventilation, wear appropriate personal protective equipment including eyeshields and gloves. Avoid breathing dust/fume/gas/mist/vapours/spray.
Is Diethyl 2-butenylphosphonate, predominantly trans packed and shipped internationally by TSS?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Diethyl 2-butenylphosphonate, predominantly trans.
How can I request a quote or sample for Diethyl 2-butenylphosphonate, predominantly trans?
+
Please contact our sales department through the website to request a quote or sample for Diethyl 2-butenylphosphonate, predominantly trans.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis