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Intermolecular vs. intramolecular carbene reactions of a cage-functionalized cyclopentylcarbene (CROSBI ID 80804)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Marchand, Alan P. ; Kumar, Kaipenchery A. ; Mlinarić-Majerski, Kata ; Veljković, Jelena Intermolecular vs. intramolecular carbene reactions of a cage-functionalized cyclopentylcarbene // Tetrahedron, 54 (1998), 50; 15105-15112-x

Podaci o odgovornosti

Marchand, Alan P. ; Kumar, Kaipenchery A. ; Mlinarić-Majerski, Kata ; Veljković, Jelena

engleski

Intermolecular vs. intramolecular carbene reactions of a cage-functionalized cyclopentylcarbene

The results of carbene reactions of pentacyclo[5.4.0.02, 6.03, 10.05, 9]undecan-8-ylidene (i.e., PCU-8-ylidene, 9) generated under different conditions by using different precursors [i.e., (i) sodium salt of PCU-8-one p-tosylhydrazone (8), (ii) PCU-8-diazirine (11), and (iii) 8, 8-dibromo-PCU (12)], are reported. PCU-8-carbene (9), generated thermally from 8, afforded homopentaprismane (17, 9.6% yield) via intramolecular C-H insertion along with other reaction products. By way of contrast, photodecomposition of 11 afforded a mixture of isomeric azines, 21a-21d, as the major reaction product. No intramolecular carbene trapping products were obtained when 9 was generated via reaction of 12 with n-BuLi.

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Podaci o izdanju

54 (50)

1998.

15105-15112-x

objavljeno

0040-4020

Povezanost rada

Kemija

Indeksiranost