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Germylenes generation

The photogeneration of germylene (GeH2) from phenylgermane was previously reported to give anomalously low reaction-rate constants in comparison with data for germylene generated from the alternative precursor, 3,4-... [Pg.318]

A number of close carbene analogues - silylenes and germylenes - have also been generated, stabilized in inert matrices and studied using the IR spectroscopic technique. [Pg.28]

In contrast to diazido compounds [102] and [104], which throw off two azido groups and form silylene and germylene, photodecomposition of silyl azide [105] led to the generation of aminosilylene [107] via isomerization of initially formed nitrene [106] (Maier et al., 1989b). The IR spectrum of the... [Pg.32]

The produced germylene reacts with benzyl bromide to generate (PhCH2)Me2GeBr and Me2GeBr2. [Pg.510]

The chloride analog of 157 can be employed in similar processes to generate digermacyclobutanes 158 and 159 (Scheme 58), and 158 can be converted into a bicyclic species (Equation (293)).348 The germylene 50 reacts with ethylene to yield a related germacyclobutane 160 via a germirane intermediate (Equation (294)).349... [Pg.788]

The formation of transient 1,2-digermacyclobutadiene 9179 was postulated in the reaction of TsiGeCl LiCT 3THF78 with Mg in the presence of diphenylacetylene. This reaction could involve the formation of the digermyne intermediate 92 generated from 93 formed by dimerization of the germylene anion radical 94 [Eq. (18)]. [Pg.131]

K. L. Bobbitt, Photochemical Generation of Germylenes and Silylenes Mechanism of Germylene and Silylene Addition to 1,3-Dienes, Doctoral Dissertation, Washington University, St. Louis, December 1990. [Pg.2562]

Germylenes can be generated either thermally or photochemically438 and, apart from thioketones, they have been reacted with thioketenes to afford initially... [Pg.1444]

Methylphenylgermylene was generated by retrocycloaddition from the germana-cyclopentane analogue.107 The germylene was detected directly and by analysis of reaction products. Rate constants for the reactions with amines, acids, silanes, stan-nanes, oxygen, and unsaturated carbon-carbon bonds were given. [Pg.171]

Stannylene radical anions were generated in a way similar to that used for germylene radical anions (cf. equation 51). [Pg.675]

See other pages where Germylenes generation is mentioned: [Pg.169]    [Pg.5]    [Pg.1969]    [Pg.767]    [Pg.767]    [Pg.404]    [Pg.5]    [Pg.1969]    [Pg.169]    [Pg.5]    [Pg.1969]    [Pg.767]    [Pg.767]    [Pg.404]    [Pg.5]    [Pg.1969]    [Pg.29]    [Pg.146]    [Pg.147]    [Pg.89]    [Pg.715]    [Pg.771]    [Pg.776]    [Pg.790]    [Pg.115]    [Pg.158]    [Pg.884]    [Pg.653]    [Pg.664]    [Pg.611]    [Pg.613]    [Pg.1976]    [Pg.2001]    [Pg.1445]    [Pg.30]    [Pg.613]    [Pg.615]    [Pg.616]    [Pg.617]    [Pg.620]    [Pg.625]    [Pg.626]    [Pg.627]    [Pg.629]    [Pg.629]    [Pg.754]    [Pg.754]    [Pg.756]   
See also in sourсe #XX -- [ Pg.613 , Pg.614 , Pg.615 , Pg.616 ]

See also in sourсe #XX -- [ Pg.613 , Pg.614 , Pg.615 , Pg.616 ]



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Germylene

Germylenes

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