ChemicalBook Product Catalog Analytical Chemistry Standard Spectral Standards (1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER

(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER

(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER Basic information
Product Name:(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER
Synonyms:(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER;(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER BESTMANN OHIRA REAGENT;Dimethyl 1-Diazoacetonylphosphonate;diMethyl(1-diazo-2-oxopropyl)phosphanate;(1-Diazo-2-oxopropyl)phosphonic Acid Dimethyl Ester Dimethyl 1-Diazoacetonylphosphonate 1-Diazoacetonylphosphonic Acid Dimethyl Ester Ohira-Bestmann Reagent;Phosphonic acid,P-(1-diazo-2-oxopropyl)-, diMethyl ester;Dimethyl (1-azoacetonyl)phosphonate solution;Dimethyl (1-diazo-2-oxopropyl)phosphonate solution
CAS:90965-06-3
MF:C5H9N2O4P
MW:192.11
EINECS:
Product Categories:
Mol File:90965-06-3.mol
(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER Structure
(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER Chemical Properties
density 1.28
refractive index n20/D1.352-1.354
Fp 2℃
storage temp. 2-8°C
solubility Chloroform, Methanol (Slightly)
form Oil
color Pale Yellow to Yellow
Merck 14,1177
BRN 4247670
Stability:Light Sensitive
Safety Information
Hazard Codes F,Xn
Risk Statements 11-20/21/22-36
Safety Statements 16-26-36/37
RIDADR UN 1648 3 / PGII
WGK Germany 3
HazardClass 3
PackingGroup II
HS Code 29319090
MSDS Information
(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER Usage And Synthesis
Chemical PropertiesLight yellow liquid
UsesDimethyl (1-diazo-2-oxopropyl)phosphonate can be used as a reagent for the synthesis of:
  • Ethynyl compounds (alkynes) from aldehydes.
  • Isoquinoline and pyridine N-oxides by cyclization with oximes in the presence of Rh catalyst.
  • Dimethyl(diazomethyl)phosphonate through methanolysis, which is further employed as a reagent in the synthesis of enol ethers or alkynes.
  • Five-member heterocyclic scaffolds of pyrazoles, triazoles, and oxazoles via cycloaddition reaction and multicomponent reaction.

UsesReagent for transformation of aldehydes to terminal alkynes and ketones to methyl enol ethers.
(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER Preparation Products And Raw materials
Preparation Products1-CHLORO-2-ETHYNYLBENZENE-->N-Boc-propargylamine-->tert-butyl 4-(prop-2-ynyl)piperidine-1-carboxylate-->CYCLOHEXYLACETYLENE-->4-Morpholinecarboxylic acid, 2-ethynyl-, 1,1-dimethylethyl ester, (2S)--->2-ETHYNYLTOLUENE 97-->1-Ethynyl-2-phenylbenzene-->3-NITROPHENYLACETYLENE-->1-BROMO-3-ETHYNYL-BENZENE-->4-Ethynylpyridine-->1-BROMO-2-ETHYNYLBENZENE-->ETHYNYLFERROCENE-->Benzene, 1-ethynyl-2,3-difluoro-4-methoxy--->1,1'-Biphenyl, 2-ethynyl-2'-methyl--->7-Octynoic acid methyl ester-->P-ETHYNYLOCTYLBENZENE-->Benzene, 1-ethynyl-2-(methylthio)- (9CI)
NIOBIUM(V) CHLORIDE PROPANE-1-PHOSPHONIC ACID Dimethyl acetylmethylphosphonate (1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER
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