Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems

Vos D, Jutzi P (2000)
SYNTHESIS-STUTTGART (3): 357-359.

Journal Article | Published | English

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Abstract
The synthesis of the new cyclopentadiene C5H4(CMe2CH2CHCH2)(2) 4 is described. The key step of the reaction sequence is the regioselective formation of the 2-(1,1-dimethylbut-3-enyl)-6,6-dimethylfulvene 2. The substitution pattern of 4 can be confirmed by the structure of the Diels-Alder product obtained from 2 and dimethyl acetylenedicarboxylate. Compound 4 is converted into the corresponding cyclopentadienides 5a,b via metallation with n-BuLi and KH, respectively. Compounds 4 and 5a,b are suitable candidates for the synthesis of functionalized cyclopentadienyl complexes in organometallic chemistry.
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Vos D, Jutzi P. Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems. SYNTHESIS-STUTTGART. 2000;(3):357-359.
Vos, D., & Jutzi, P. (2000). Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems. SYNTHESIS-STUTTGART(3), 357-359.
Vos, D., and Jutzi, P. (2000). Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems. SYNTHESIS-STUTTGART, 357-359.
Vos, D., & Jutzi, P., 2000. Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems. SYNTHESIS-STUTTGART, (3), p 357-359.
D. Vos and P. Jutzi, “Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems”, SYNTHESIS-STUTTGART, 2000, pp. 357-359.
Vos, D., Jutzi, P.: Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems. SYNTHESIS-STUTTGART. 357-359 (2000).
Vos, D, and Jutzi, Peter. “Functionalized cyclopentadienes: Synthesis of 1,3-bis(1,1-dimethylbut-3-cyclopentadienyl systems”. SYNTHESIS-STUTTGART 3 (2000): 357-359.
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