Palladium-catalyzed dimerization of conjugated diynes: Synthesis of (E)-1,2-divinyldiethynylethenes having donor and acceptor chromophores at the terminus of alkyne

Nirmal K. Pahadi; Draxel H. Camacho; Itaru Nakamura; Yoshinori Yamamoto

doi:10.1021/jo052262v

Palladium-catalyzed dimerization of conjugated diynes: Synthesis of (E)-1,2-divinyldiethynylethenes having donor and acceptor chromophores at the terminus of alkyne

Nirmal K. Pahadi, Draxel H. Camacho, Itaru Nakamura, Yoshinori Yamamoto

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

(E)-1,2-Divinyldiethynylethenes (DVDEEs) having donor and acceptor chromophores at the terminals of alkyne unit 7′ were synthesized by the palladium/HOAc-catalyzed dimerization of the conjugated diynes 8 bearing an Si group at the terminus of alkyne (R¹ position), followed by desilylation and subsequent Sonogashira reaction of the resulting terminal alkyne 10 with aryl iodides.

Original language	English
Pages (from-to)	1152-1155
Number of pages	4
Journal	Journal of Organic Chemistry
Volume	71
Issue number	3
DOIs	https://doi.org/10.1021/jo052262v
Publication status	Published - 2006 Feb 3
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry

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Palladium-catalyzed dimerization of conjugated diynes : Synthesis of (E)-1,2-divinyldiethynylethenes having donor and acceptor chromophores at the terminus of alkyne. / Pahadi, Nirmal K.; Camacho, Draxel H.; Nakamura, Itaru; Yamamoto, Yoshinori.

In: Journal of Organic Chemistry, Vol. 71, No. 3, 03.02.2006, p. 1152-1155.

Research output: Contribution to journal › Article › peer-review

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AU - Nakamura, Itaru

AU - Yamamoto, Yoshinori

PY - 2006/2/3

Y1 - 2006/2/3

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AB - (E)-1,2-Divinyldiethynylethenes (DVDEEs) having donor and acceptor chromophores at the terminals of alkyne unit 7′ were synthesized by the palladium/HOAc-catalyzed dimerization of the conjugated diynes 8 bearing an Si group at the terminus of alkyne (R1 position), followed by desilylation and subsequent Sonogashira reaction of the resulting terminal alkyne 10 with aryl iodides.

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Palladium-catalyzed dimerization of conjugated diynes: Synthesis of (E)-1,2-divinyldiethynylethenes having donor and acceptor chromophores at the terminus of alkyne

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