Product

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

CAS No.：90965-06-3

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

Product Name:	(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER
Synonyms:	dimethyl 1-(1-diazo-2-oxopropyl)phosphonate;DIMETHYL (1-DIAZO-2-OXOPROPYL)PHOSPHONATE;(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER;(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER BESTMANN OHIRA REAGENT;1-Diazoacetonylphosphonic Acid Dimethyl Ester;Dimethyl 1-Diazoacetonylphosphonate;Ohira-Bestmann reagent;diMethyl(1-diazo-2-oxopropyl)phosphanate
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 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

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 Properties	Light yellow liquid
Uses	Reagent for transformation of aldehydes to terminal alkynes and ketones to methyl enol ethers.
Uses	Dimethyl (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.

(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER Preparation Products And Raw materials

Preparation Products

1-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

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