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  Hydrocarbon-soluble bis(trimethylsilylmethyl)calcium and calcium-iodine exchange reactions at sp2-hybrized carbon atoms

Koch, A., Wirgenings, M., Krieck, S., Goerls, H., Pohnert, G., & Westerhausen, M. (2017). Hydrocarbon-soluble bis(trimethylsilylmethyl)calcium and calcium-iodine exchange reactions at sp2-hybrized carbon atoms. Organometallics, 36(20), 3981-3986. doi:10.1021/acs.organomet.7b00592.

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EXT646.pdf (Publisher version), 800KB
 
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 Creators:
Koch, Alexander, Author
Wirgenings, Marino, Author
Krieck, Sven, Author
Goerls, Helmar, Author
Pohnert, Georg1, Author           
Westerhausen, Matthias, Author
Affiliations:
1External Organizations, ou_persistent22              

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Free keywords: HEAVY GRIGNARD-REAGENTS; HALIDE-FREE DIARYLCALCIUM; ALKALINE-EARTH METALS; CRYSTAL-STRUCTURES; CHEMICAL BEHAVIOR; BENZYL COMPLEXES; ETHER CLEAVAGE; STRONTIUM; ARYL; REACTIVITYChemistry;
 Abstract: Hydrocarbon-soluble and highly reactive [(L)(x)Ca(CH2SiMe3)(2)] (L = tetrahydropyran, x = 4 (2a); L = tmeda, x = 2 (2b)) is synthesized by the metathesis reaction of Me3SiCH2CaI (1-I) with KCH2SiMe3. The durability of 2a in tetrahydropyran solution at 0 degrees C is sufficiently high for subsequent chemical transformations. The reaction of ICH2SiMe3 with calcium in diethyl ether yields unique cage compound [(Et2O)(2)Ca(I)(2)center dot(Et2O)(2)Ca(I)(OEt)center dot(Et2O)Ca(I) -(CH2,siMe(3))] (3). We demonstrate that alkylcalcium complexes ate valuable reagents for calcium-iodine exchange reactions at Csp2-I functionalities.

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Language(s): eng - English
 Dates: 2017
 Publication Status: Issued
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1021/acs.organomet.7b00592
Other: EXT646
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Title: Organometallics
  Other : Organometallics
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 36 (20) Sequence Number: - Start / End Page: 3981 - 3986 Identifier: ISSN: 0276-7333
CoNE: https://pure.mpg.de/cone/journals/resource/954925505259