1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

Base Information

Chemical Name:1,1-bis(cyclopentadienyl)-1-hafnacyclopentane
CAS No.:83719-75-9
Molecular Formula:C₁₄H₁₈Hf
Molecular Weight:364.787
Hs Code.:

Synonyms:1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

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Chemical Property of 1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

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Technology Process of 1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

There total 1 articles about 1,1-bis(cyclopentadienyl)-1-hafnacyclopentane 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:

: (η4-butadiene)bis(η5-cyclopentadienyl)hafnium

: 74-85-1
ethene

: 83719-75-9
1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

: 106-99-0,130983-70-9,29406-96-0,9003-17-2
buta-1,3-diene

Guidance literature:: In ⁽²⁾H₈-toluene; Under Ar, addn. of ethylene to (s-trans-η4-butadiene)hafnocene) in toluene-d8, react. with addl. ethylene at 60°C.; Monitored by (1)H NMR.;

Reference yield: 73.0%

: 83719-75-9
1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

: 19493-09-5
Methylenetriphenylphosphorane

: bis(cyclopentadienyl)hafnacyclobutane

: (C₅H₅)2Hf((CH₂)3CH₃)CHP(C₆H₅)3

: Cp₂Hf(Et)(CHPPh₃)

Guidance literature:: In toluene; byproducts: triphenylphosphine; toluene soln. of Hf-complex and ylide was heated for 5-6 h at 90°C; evapd. (vacuo), Cp2Hf(Et)(CH=PPh3) remained as solid after extn. of residue (pentane), Cp2Hf(CH2)3 was obtained free of PPh3 by second extn. (pentane), after removal of solvent pentane was added, ppt. collected; elem. anal.;
DOI:10.1021/om00130a024

Reference yield: 36.0%

: 83719-75-9
1,1-bis(cyclopentadienyl)-1-hafnacyclopentane

: 501-65-5
diphenyl acetylene

: 110682-58-1
1,1-bis(cyclopentadienyl)-2,3-diphenyl-1-hafnacyclopent-2-ene

: 1,1-bis(cyclopentadienyl)-2,3,4,5-tetraphenyl-1-hafnacyclopentadiene

Guidance literature:: In benzene; Under Ar, dropwise addn. of a benzene soln. of diphenylacetylene over a period of 3 h to a benzene soln. of Cp2Hf(C4H8) at reflux temp.; Cooling to room temp., concg. in vac., addn. of pentane, cooling to -30°C, after 12 h filtration, recrystn. (CH2Cl2, -30°C, 48 h), elem. anal.. Evapn. of mother liquor, recrystn. (refluxing benzene) yields Cp2Hf(C4Ph4), elem. anal.;