[1 + 2] and [3 + 2] cycloaddition reactions of vinylcarbenes with C60

Hidetoshi Tokuyama, Masaharu Nakamura, Eiichi Nakamura

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


Thermolysis of a mixture of C60 and the cyclopropenone acetal 1a or 1b gives the methanofullerene 4a or b, whereas the ethyl-substituted compound 1c gives the cyclopentenone acetal 6. The thermal stability of 4 and the semi-empirical molecular orbital calculations performed for the parent methanofullerenes and fulleroids indicated that the fulleroid structure such as 5 may be unstable.

Original languageEnglish
Pages (from-to)7429-7432
Number of pages4
JournalTetrahedron Letters
Issue number46
Publication statusPublished - 1993 Nov 12
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry


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