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- Silylenoid abstract "A Silylenoid in organosilicon chemistry is a type of chemical compound with the general structure R2SiXM where R is any organic residue, X a halogen and M a metal. Silylenoids are the silicon pendants of carbenoid and both compounds have carbene or silylene like properties.Silylenoids are encountered as reactive intermediates in chemical reactions. A stable silylenoid can be prepared by reaction of a fluorobromosilane with a silyllithium compound in THF :(t-Bu2MeSi)2SiFBr + t-Bu2MeSiLi/THF → (t-Bu2MeSi)2SiFLi.3THF + t-Bu2MeSiBr In this silylenoid the silicon atom is bonded with three substituents and not the usual four. X-ray diffraction shows that the Si-F bond with 170 pm is longer than usual for fluorosilanes. The F-Li bond is ionic with an estimated (in silico) positive charge of 0.88 residing on lithium and a negative charge of 0.74 on fluorine making it a t-Bu2MeSi)2SiF-, Li+.3THF salt. The Si-F bond is likewise polarized with only 10% of the charge on silicon.When the silylenoid is irradiated or heated a disilene forms probably via a silylene intermediate. With electrophiles it reacts as an anion and with organolithium compounds it reacts as a silylene.".
- Silylenoid wikiPageExternalLink ja0575880.
- Silylenoid wikiPageID "4426513".
- Silylenoid wikiPageRevisionID "556202900".
- Silylenoid hasPhotoCollection Silylenoid.
- Silylenoid subject Category:Organosilicon_compounds.
- Silylenoid type Abstraction100002137.
- Silylenoid type Cognition100023271.
- Silylenoid type Compound105870180.
- Silylenoid type Concept105835747.
- Silylenoid type Content105809192.
- Silylenoid type Idea105833840.
- Silylenoid type PsychologicalFeature100023100.
- Silylenoid type SiliconCompounds.
- Silylenoid type Whole105869584.
- Silylenoid comment "A Silylenoid in organosilicon chemistry is a type of chemical compound with the general structure R2SiXM where R is any organic residue, X a halogen and M a metal. Silylenoids are the silicon pendants of carbenoid and both compounds have carbene or silylene like properties.Silylenoids are encountered as reactive intermediates in chemical reactions.".
- Silylenoid label "Silylenoid".
- Silylenoid sameAs m.0c1qxg.
- Silylenoid sameAs Q7517198.
- Silylenoid sameAs Q7517198.
- Silylenoid sameAs Silylenoid.
- Silylenoid wasDerivedFrom Silylenoid?oldid=556202900.
- Silylenoid isPrimaryTopicOf Silylenoid.