tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)-(1-methyl)methylene-(3-cyclopentanone)carbene]chromium(O)

Base Information

• Chemical Name: tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)-(1-methyl)methylene-(3-cyclopentanone)carbene]chromium(O)
• CAS No.: 640769-17-1
• Molecular Formula: C₂₁H₂₄CrN₂O₅
• Molecular Weight: 436.428

Synonyms:

Chemical Property of tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)-(1-methyl)methylene-(3-cyclopentanone)carbene]chromium(O)

Chemical Property:

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Technology Process of tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)-(1-methyl)methylene-(3-cyclopentanone)carbene]chromium(O)

There total 1 articles about tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)-(1-methyl)methylene-(3-cyclopentanone)carbene]chromium(O) 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: 87.1%

cyclopent-2-enone (930-30-3) + (Z)-tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)ethylcarbene]chromium(O) → tetracarbony[(N-benzyl-N',N'-dimethylhydrazinyl)-(1-methyl)methylene-(3-cyclopentanone)carbene]chromium(O) (640769-17-1,640761-51-9)

Guidance literature:

With n-BuLi; In tetrahydrofuran; (N2 or Ar); addn. dropwise of 1.03 equiv. of n-BuLi/hexane to soln. of Cr(CO)4(CEtN(CH2Ph)NMe2) (1 equiv.) in THF at -78°C; holding at the same temp. for 30 min; addn. of C5H6O (1.27 equiv.); stirring for 3 h at -78°C; addn. of H2O, removal of org. solvent in vac., dissolving with CH2Cl2, drying over Na2SO4, evapn. of solvent at reduced pressure, flash chromy. over silica gel with Et2O as eluent, as mixt. of diastereoisomers;

DOI:10.1016/S0022-328X(03)00523-0

upstream raw materials:

cyclopent-2-enone

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