From the new arsaalkene ArAs=C(Br)SiMe3 to the first stable arsaallene, ArAs=C=CR2 (Ar=2,4,6-tri-tert-butylphenyl, CR2 = fluorenylidene)

Bouslikhane M.; Gornitzka H.; Ranaivonjatovo H.; Escudie J.

首页> 外文期刊>Organometallics >From the new arsaalkene ArAs=C(Br)SiMe3 to the first stable arsaallene, ArAs=C=CR2 (Ar=2,4,6-tri-tert-butylphenyl, CR2 = fluorenylidene)

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From the new arsaalkene ArAs=C(Br)SiMe3 to the first stable arsaallene, ArAs=C=CR2 (Ar=2,4,6-tri-tert-butylphenyl, CR2 = fluorenylidene)

机译：从新的芳族alk烯ArAs = C（Br）SiMe3到第一个稳定的芳族all烯ArAs = C = CR2（Ar = 2,4,6-三叔丁基苯基，CR2 =芴基）

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The first stable arsaallene, ArAs=C=CR2 1 (Ar = 2,4,6-tri-tert-butylphenyl, CR2 = fluorenylidene), has been synthesized by a one-pot procedure involving the successive addition of n-butyllithium and fluorenone to the new arsaalkene ArAs=C(Br)SiMe3, which presents a Z configuration and a short As=C bond length (1.789-(3) A). An X-ray crystallographic structure determination of air and thermally stable 1 proves its allenic geometry (AsC(1)C(2) bond angle 169.72(19)degrees, angle between the fluorenylidene plane and the C(15)AsC(2)C(2) mean plane 79.3degrees) with very short As C(1) and C(1) C(2) double-bond lengths (1.754(2) and 1.314(3) Angstrom). [References: 36]

机译：第一个稳定的arsallallene，ArAs = C = CR2 1（Ar = 2,4,6-三叔丁基苯基，CR2 =芴基），是通过一锅法合成的，该方法涉及依次添加正丁基锂和芴酮到新的芳构烯烃ArAs = C（Br）SiMe3，具有Z构型和较短的As = C键长（1.789-（3）A）。空气和热稳定1的X射线晶体结构测定证明了其烯丙基几何形状（AsC（1）C（2）键角169.72（19）度，芴基平面与C（15）AsC（2）C之间的角度（2）平均平面79.3度，具有非常短的As C（1）和C（1）C（2）双键长度（1.754（2）和1.314（3）埃）。 [参考：36]

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《Organometallics》 |2002年第8期|共3页
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Bouslikhane M.; Gornitzka H.; Ranaivonjatovo H.; Escudie J.;
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机译：从新的芳族alk烯ArAs = C（Br）SiMe3到第一个稳定的芳族all烯ArAs = C = CR2（Ar = 2,4,6-三叔丁基苯基，CR2 =芴基）
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From the new arsaalkene ArAs=C(Br)SiMe3 to the first stable arsaallene, ArAs=C=CR2 (Ar=2,4,6-tri-tert-butylphenyl, CR2 = fluorenylidene)

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