site stats

Dimethyl 2-oxopropyl phosphonate

WebThe dimethyl (diazomethyl)phosphonate carbanion can be generated in situ from dimethyl-1-diazo-2-oxopropylphosphonate (also called the Ohira-Bestmann reagent) by reaction with methanol and potassium carbonate as the base by cleavage of the acetyl group as methyl acetate.Reaction of Bestmann's reagent with aldehydes gives terminal … WebOct 17, 2024 · Dialkyl (2-oxopropyl)phosphonates are well studied as reagents in the Horner–Wadsworth–Emmons olefination reaction. However, dimethyl (2-oxopropyl)phosphonate has been more widely used in organic synthesis as a precursor of the Bestmann–Ohira 1, 2 reagent for the synthesis of terminal alkynes by the …

Dipeptide-Derived Alkynes as Potent and Selective Irreversible ...

WebOther Product Names / Synonyms: Acetonylphosphonic Acid Dimethyl Ester, Dimethyl Acetonylphosphonate, (2-Oxopropyl)phosphonic Acid Dimethyl Ester Formula: C₅H₁₁O₄P MW: 166.12 g/mol WebDimethyl (2-oxopropyl)phosphonate, 95% ACC# 15119 Section 1 - Chemical Product and Company Identification MSDS Name:Dimethyl (2-oxopropyl)phosphonate, 95% … pembroke township il zip https://theeowencook.com

Substance Information - ECHA - Europa

WebDimethyl (2-oxopropyl)phosphonate Dimethyl (2-oxopropyl)phosphonate Formula: C 5 H 11 O 4 P Molecular weight: 166.1122 IUPAC Standard InChI: InChI=1S/C5H11O4P/c1-5 (6)4-10 (7,8-2)9-3/h4H2,1-3H3 IUPAC Standard InChIKey: UOWIYNWMROWVDG-UHFFFAOYSA-N CAS Registry Number: 4202-14-6 Chemical structure: Web(1-Diazo-2-oxopropyl)phosphonic Acid Dimethyl Ester, Dimethyl 1-Diazoacetonylphosphonate, 1-Diazoacetonylphosphonic Acid Dimethyl Ester, Ohira … WebMar 3, 2024 · Reagents and conditions: (a) PyBOP, DIPEA, NaBH 4, THF, 1 h; (b) Dess-Martin periodinane, CH 2 Cl 2, 4 h; (c) dimethyl (1-diazo-2-oxopropyl)phosphonate, K 2 CO 3, MeOH, 0 °C, 2 h, rt, overnight; (d) TFA/CH 2 Cl 2 (1:1), 2 h; (e) N-Boc-3-methyl-l-phenylalanine, PyBOP, DIPEA, THF, 3 h; (f) 2,4-difluorobenzoyl chloride, NMM, CH 2 Cl … mechlintech.com

Dimethyl (2-oxopropyl)phosphonate - NIST

Category:Dimethyl (2-oxopropyl)phosphonate ≥95.0% VWR

Tags:Dimethyl 2-oxopropyl phosphonate

Dimethyl 2-oxopropyl phosphonate

Dimethyl (2-oxopropyl)phosphonate ≥95.0% VWR

WebCAS: 4202-14-6: Molecular Formula: C5H11O4P: Molecular Weight (g/mol) 166.113: MDL Number: MFCD00008769: InChI Key: UOWIYNWMROWVDG-UHFFFAOYSA-N: Synonym: dimethyl 2-oxopropyl phosphonate, dimethyl acetylmethylphosphonate, dimethyl 2-oxopropylphosphonate, dimethyl acetonylphosphonate, 2-oxopropyl phosphonic acid … WebDimethyl (2-oxopropyl)phosphonate EC Inventory Dimethyl (2-oxopropyl)phosphonate Other dimethyl (2-oxopropyl)phosphonate Pre-Registration process IUPAC names 1-dimethoxyphosphorylpropan-2-one Other ...

Dimethyl 2-oxopropyl phosphonate

Did you know?

WebDimethyl (1-diazo-2-oxopropyl)phosphonate solution. Synonym(s): Bestmann-Ohira Reagent, Dimethyl (1-azoacetonyl)phosphonate solution, Dimethyl (acetyldiazomethyl)phosphonate solution. Empirical Formula (Hill Notation): C 5 H 9 N 2 O 4 P. CAS No.: 90965-06-3. Molecular Weight: 192.11. Beilstein No.: 4247670. Compare … WebDimethyl (2-oxopropyl)phosphonate VWR Learn more about Dimethyl (2-oxopropyl)phosphonate. We enable science by offering product choice, services, …

WebDimethyl (2-oxopropyl)phosphonate. Dimethyl (2-oxopropyl)phosphonate is kind of reagent which used together with tosyl azide in a one-pot alkynylation of aldehydes. LABOTEST-BB … WebMar 14, 2008 · Abstract Dimethyl (1-diazo-2-oxopropyl) phosphonate (3) was transformed to dimethyl (diazomethyl)—phosphonate (4), which was used for the synthesis of enol ether or alkyne without isolation. 503. Save. Alert. Synthesis and structural characterization of organometallic cyclynes: novel nanoscale, carbon-rich topologies.

WebThe condensation of diethyl or dimethyl (2-oxopropyl)phosphonate, aromatic aldehydes and urea was carried out in the presence of 50 mol% of p-toluene sulfonic acid (PTSA) in acetonitrile , 5 mol% of Yb(OTf) 3 in toluene , or 15 mol% of Zn(OTf) 2 in toluene . In all cases, urea was used in excess of 1.5 equivalents. WebNov 4, 2024 · dimethyl acetone phosphonate is an organophosphorus compound, which is an important chemical substance and exhibits many excellent properties. It is widely used in agriculture, medicine, industry and other aspects. preparation. heat the dry and clean 500mL coil to 135 ℃, take 1000g (0.7 eq.10.81mol) of chloroacetone (boiling point 117~119 ...

WebThe condensation of diethyl or dimethyl (2-oxopropyl)phosphonate, aromatic aldehydes and urea was carried out in the presence of 50 mol% of p-toluene sulfonic acid (PTSA) in …

WebDimethyl (1-diazo-2-oxopropyl)phosphonate solution. Synonym (s): Bestmann-Ohira Reagent, Dimethyl (1-azoacetonyl)phosphonate solution, Dimethyl … mechling engineering \u0026 consulting incWebDimethyl (2-oxopropyl)phosphonate C5H11O4P CID 77872 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, … pembroke twist carpetWebThis Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Th mechling v. city of monroeWebDimethyl (1-Diazo-2-oxopropyl)phosphonate 97.0 %, TCI America, Quantity: 1 g Fisher Scientific Don't have a profile? Register Structure Search Print Dimethyl (1-Diazo-2-oxopropyl)phosphonate 97.0+%, TCI America™ 1 g Quantity: 1 g 5 g Catalog No. D35461G Supplier: TCI America D35461G Specifications pembroke townshipWebDimethyl (2-oxopropyl)phosphonate Formula: C 5 H 11 O 4 P Molecular weight: 166.1122 IUPAC Standard InChI: InChI=1S/C5H11O4P/c1-5 (6)4-10 (7,8-2)9-3/h4H2,1-3H3 … pembroke township il historyWebOct 23, 2006 · Dimethyl (1-diazo-2-oxopropyl) phosphonate (3) was transformed to dimethyl (diazomethyl)—phosphonate (4), which was used for the synthesis of enol ether or alkyne without isolation. Reprints and Corporate Permissions Please note:Selecting permissions does notprovide access to the full text of the article, please see our help page pembroke township zipWebDimethyl (2-oxopropyl)phosphonate Revision Date 24-Dec-2024 Lower No data available Vapor Pressure No information available Vapor Density 5.73 Specific Gravity 1.202 Solubility No information available Partition coefficient; n-octanol/water No data available Autoignition Temperature No information available Decomposition Temperature No … mechlorethamine nitrogen mustard