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Chemodex
Ohira-Bestmann Reagent
204
CHF
CHF 204.00
In stock
CDX-D0501-G0011 gCHF 204.00
CDX-D0501-G0055 gCHF 816.00
| Product Details | |
|---|---|
| Synonyms | Dimethyl (1-diazo-2-oxopropyl)phosphonate; Ohira-Bestmann phosphonate; α-Azido-α-(dimethyl phosphono)acetone |
| Product Type | Chemical |
| Properties | |
| Formula | C5H9N2O4P |
| MW | 192.11 |
| CAS | 90965-06-3 |
| Source/Host Chemicals | Synthetic. |
| Purity Chemicals | ≥96% (HPLC) |
| Appearance | Yellow liquid. |
| Solubility | Soluble in acetonitrile. |
| Identity | Determined by 1H-NMR. |
| Declaration | Manufactured by Chemodex. |
| Other Product Data |
Click here for Original Manufacturer Product Datasheet |
| InChi Key | SQHSJJGGWYIFCD-UHFFFAOYSA-N |
| Smiles | COP(=O)(OC)C(=[N+]=[N-])C(C)=O |
| Shipping and Handling | |
| Shipping | AMBIENT |
| Short Term Storage | +4°C |
| Long Term Storage | -20°C |
| Handling Advice | Protect from light and moisture. |
| Use/Stability | Stable for at least 2 years after receipt when stored at -20°C. |
| Documents | |
| MSDS |
 Download PDF |
| Product Specification Sheet | |
| Datasheet |
Download PDF |
Description
Used in the Seyferth-Gilbert homologation which is a chemical reaction of an aryl ketone or aldehyde with dimethyl- or diazomethyl-phosphonate and potassium tert-butoxide to give substituted alkynes.
Product References
(1) P. Callant et al.; Synthetic Communications 14(2), 155-61(1984) | (2) S. Ohira; Synthetic Communications 19(3-4), 561-4 (1989) | (3) S. Kasteren et al.; Nature 446(7139), 1105-1109 (2007) | (4) G.J. Roth et al.; Synthesis (1), 59-62 (2004)
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