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Cyclopentadiene is a highly reactive diene in the Diels–Alder reaction because minimal distortion of the diene is required to achieve the envelope geometry of the transition state compared to other dienes. [11] Famously, cyclopentadiene dimerizes. The conversion occurs in hours at room temperature, but the monomer can be stored for days at ...
Cyclopentene was first prepared by Carl Gärtner in 1893 from iodocyclopentane with potassium hydroxide.He named it pentamethenylene (German: Pentamethenylen). [3] ...
Methylcyclopentadiene is any of three isomeric cyclic dialkenes with the formula C 5 MeH 5 (Me = CH 3).These isomers are the organic precursor to the methylcyclopentadienyl ligand (C 5 H 4 Me, often denoted as Cp′), commonly found in organometallic chemistry.
A trimethylsilyl group (abbreviated TMS) is a functional group in organic chemistry.This group consists of three methyl groups bonded to a silicon atom [−Si(CH 3) 3], which is in turn bonded to the rest of a molecule.
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1,2-Cyclopentanedione is the organic compound with the formula (CH 2) 3 (CO) 2.It is one of two isomeric cyclopentanediones, the other being 1,3-cyclopentanedione.It was first prepared by base-induced condensation of di ethylglutarate with diethyloxalate, followed by hydrolysis of the resulting diketodiester followed by decarboxylation. [1]
1,2,3,4,5-Pentamethylcyclopentadiene is a cyclic diene with the formula C 5 (CH 3) 5 H, often written C 5 Me 5 H, where Me is CH 3. [3] It is a colorless liquid. [1]1,2,3,4,5-Pentamethylcyclopentadiene is the precursor to the ligand 1,2,3,4,5-pentamethylcyclopentadienyl, which is often denoted Cp* (C 5 Me 5) and read as "C P star", the "star" signifying the five methyl groups radiating from ...
Di-tert-butylcyclopentadiene is an organic compound with the formula (Me 3 C) 2 C 5 H 4, where Me = methyl.It is a colorless liquid that is soluble in organic solvents. The compound is the conjugate acid of the di-tert-butylcyclopentadienyl ligand, (Me 3 C) 2 C 5 H 3 − [1] (sometimes abbreviated Cp ‡−).