Reactions of a tetrasilabicyclo[1.1.0]but-1(3)-ene with carbon tetrachloride and methanol

Takumi Nukazawa, Tomoyuki Kosai, Shunya Honda, Shintaro Ishida, Takeaki Iwamoto

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Bicyclo[1.1.0]tetrasila-1(3)-ene 1b was synthesized and isolated as orange crystals. While 1b has a highly distorted SiSi double bond in the bicyclic silicon framework similar to that of the previously reported 1a, 1b has less bulky SiMe3 substituents than SiiPrMe2 substituents that were involved in 1a. Accordingly, the molecular structure and electronic properties of 1b resemble those of 1a, but 1b readily reacts with carbon tetrachloride and methanol. The reaction of 1b with carbon tetrachloride providing a cyclic tetrachlorotetrasilane and an acyclic hexachlorotetrasilane suggests the generation of a 1,3-dichlorobicyclo[1.1.0]tetrasilane and its isomer, a tetrasiladiene, the latter of which was supported by the formation of an acyclic tetrasilane during the reaction of 1b with methanol.

Original languageEnglish
Pages (from-to)10874-10880
Number of pages7
JournalDalton Transactions
Issue number29
Publication statusPublished - 2019


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