bis(3,5-dimethylpyrazol-1-yl)acetato(dicarbonyl)(phenylpropynylidyne)tungsten

Base Information

Chemical Name:bis(3,5-dimethylpyrazol-1-yl)acetato(dicarbonyl)(phenylpropynylidyne)tungsten
CAS No.:410524-03-7
Molecular Formula:C₂₃H₂₀N₄O₄W
Molecular Weight:600.286
Hs Code.:

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of bis(3,5-dimethylpyrazol-1-yl)acetato(dicarbonyl)(phenylpropynylidyne)tungsten

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Technology Process of bis(3,5-dimethylpyrazol-1-yl)acetato(dicarbonyl)(phenylpropynylidyne)tungsten

There total 1 articles about bis(3,5-dimethylpyrazol-1-yl)acetato(dicarbonyl)(phenylpropynylidyne)tungsten which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 91.0%

: 14040-11-0
tungsten hexacarbonyl

: 410523-95-4
potassium bis(3,5-dimethylpyrazol-1-yl)acetate

: 536-74-3
phenylacetylene

: 410524-03-7
bis(3,5-dimethylpyrazol-1-yl)acetato(dicarbonyl)(phenylpropynylidyne)tungsten

Guidance literature:: With C₄H₉Li; (CF₃CO)2O; In diethyl ether; hexane; byproducts: CO; under N2 or Ar using Schlenk techniques; at -30°C HCCPh in Et2O lithiated with n-BuLi in hexane; after 0.5 h W(CO)6 added; stirred at room temp. for 1 h; cooled to -80°C; (CF3CO)2O added; warmed to -50°C; K((N2C3HMe2)2CHCO2) added; warmed to room temp.; pentane added; ppt. washed (pentane); dried (vac.); recrystd. (THF); elem. anal.;
DOI:10.1016/S0022-328X(01)01310-9