ChemInform Abstract: REACTION OF ALKYNYLHYDROSILANES WITH ALKOXYCARBONYLCARBENES

Baikov, V. E.; Danilkina, L. P.; Ogloblin, K. A.

doi:10.1002/chin.198346232

Cited by 2 publications

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“…The reaction of PhCϵCMgBr with HMe 2 SiCl gave dimethyl(phenylethynyl)silane (PhCϵCMe 2 SiH, 4) [15] in 74 % yield. Compound 4, which is also commercially available (Fluka), is both an intermediate for the preparation of 1 and a target molecule itself (for oxidative addition).…”

Section: Monosilanesmentioning

confidence: 99%

Selective Synthesis of Functional Alkynylmono‐ and ‐trisilanes

2010

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The selective synthesis of functional alkynylsilanes RC≡C–(SiMe2)m–X (m = 1, 3) was investigated. Monofunctionalization with or without protecting groups gave moderate to good yields of alkynyldimethylmonosilanes RC≡CMe2SiX [R = Ph, X = Cl (1), NEt2 (2), OMe (3), H (4), Br (5), I (6), Cp (8), C5H4Li (10), Ph (11); R = Pr, X = Ph (12)]. Compounds 4 and 8 were converted into the (alkyne)transition‐metal complexes 4·Cp2Mo2(CO)4 (13) and 8·Co2(CO)6 (14), respectively, which were characterized by X‐ray diffraction. Stepwise extension and functionalization of the silane chain starting from 1‐chloro‐2‐(diethylamino)tetramethyldisilane (Et2NMe2Si–SiMe2Cl) yielded the trisilanes Ph–(SiMe2)3–X [X = NEt2 (18), OMe (19), Cl (20), H (21), C≡CPh (22), C≡CPr (23)]. The synthesized compounds were characterized by NMR and IR spectroscopy, 4, 11, 13, and 14 also by UV/Vis spectroscopy.

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Section: Monosilanesmentioning

confidence: 99%

Selective Synthesis of Functional Alkynylmono‐ and ‐trisilanes

2010

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“…While the identification of the silacyclobutene product and its isomers, all of which are known compounds (124)(125)(126), were based upon their spectra, silapyran 234 was identified by comparison with an authentic sample and published data (78). Yields were determined by NMR.…”

Section: Synthesis Of Labeled (-O^^chg) O-ethynylanisole 178mentioning

confidence: 99%

Mechanistic and synthetic aspects of acetylene-alkylidenecarbene rearrangements in the gas phase

Groh

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ChemInform Abstract: REACTION OF ALKYNYLHYDROSILANES WITH ALKOXYCARBONYLCARBENES

Abstract: Die Silane (III) addieren die Carbene (II) an der Si‐H‐Bindung unter Bildung der Silylessigsäure‐ Derivate (IV) (weitere Beispiele im Original).

Cited by 2 publications

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Selective Synthesis of Functional Alkynylmono‐ and ‐trisilanes

Selective Synthesis of Functional Alkynylmono‐ and ‐trisilanes

Mechanistic and synthetic aspects of acetylene-alkylidenecarbene rearrangements in the gas phase

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