Výsledky vyhledávání - "Tetrahalomethane"

Infrared Spectra of Simple Methylidyne, Methylidene, and Insertion Complexes Generated in Reactions of Laser-Ablated Rhodium Atoms with Halomethanes and Ethane

Autor: Lester Andrews, Han-Gook Cho

Publikováno v: Organometallics. 29:2211-2222

Small rhodium carbene complexes, CX2═RhX2, CXH═RhX2, and CH2═RhX2, are identified in the product matrix infrared spectra from reactions of laser-ablated Rh atoms with tetra-, tri-, and dihalomethanes. Evidence for Rh carbynes, XC≡RhX3, is als

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6617947269e701a271ee3fd0d641307f
https://doi.org/10.1021/om900902p

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Selective syntheses of benzoxazoles and N-(2-hydroxyaryl)pyrrolidin-2-ones from the corresponding cyclopropyl amides with PPh3/CX4

Autor: Min Shi, Yong-Hua Yang

Publikováno v: Tetrahedron. 62:2420-2427

Benzoxazoles 2 can be smoothly synthesized by treatment of starting materials of N -(2-hydroxyaryl) cyclopropyl amides 1 with PPh 3 /CCl 4 in acetonitrile in good yields. When PPh 3 /CBr 4 /MS 4 A was used in the reaction system, the corresponding ri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e389f9656a9128c39987dd4efbe39e4
https://doi.org/10.1016/j.tet.2005.11.077

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Water-Catalyzed Dehalogenation Reactions of the Isomer of CBr4 and Its Reaction Products and a Comparison to Analogous Reactions of the Isomers of Di- and Trihalomethanes

Autor: Dongqi Wang, Yong Du, Cunyuan Zhao, Xufeng Lin, Kam Fa Hung, David Lee Phillips, Xiangguo Guan, Wai Ming Kwok

Publikováno v: Chemistry - A European Journal. 11:1093-1108

A combined experimental and theoretical study of the UV photolysis of a typical tetrahalomethane, CBr 4 , in water and acetonitrile/water was performed. Ultraviolet photolysis of low concentrations of CBr 4 in water mostlyleads to the production of f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::27d712fc06d0f2757d4f390bd9b975fd
https://doi.org/10.1002/chem.200400695

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Novel Reaction of Dimethylaniline with Tetrabromomethane Producing 4,4′-Methylenebis(N,N-Dimethylaniline)

Autor: Yoshikatsu Kakedai, Takuya Matsuda, Atsuhisa Kato, Yoshio Matsubara, Yoshihiro Yamaguchi

Publikováno v: Synthetic Communications. 33:1885-1889

Reaction of N,N-dimethylaniline (1) with tetrahalomethanes such as tetrabromomethane and tetrachloromethane in acetonitrile was found to give 4,4′-methylenebis(N,N-dimethylaniline) (2) in considerable yield. The reaction is considered to be initiat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14407b40beecbc683250c2c6468aacf0
https://doi.org/10.1081/scc-120020199

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Stabilization of molecular association: An AM1/PM3 study of tetrahalomethane-arene molecular complexes

Autor: Thomas Mager, Helmut Bertagnolli

Publikováno v: Journal of Physical Organic Chemistry. 5:253-258

An AM1/PM3 study of several tetrahalomethane–arene molecular complexes is presented. The results indicate the existence of weak attractive non-dispersion interactions in some of these complexes, which can be rationalized in terms of multipole—mul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6f3db8a7bac310bb218aeee4f583304
https://doi.org/10.1002/poc.610050506

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Alkyl and Aryl Halocarbenes

Autor: C. H. Van Dyke

Publikováno v: Inorganic Reactions and Methods: The Formation of Bonds to Halogens (Part 1), Volume 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91e9f5e52de5ea4a4bbc00c64d9b3614
https://doi.org/10.1002/9780470145173.ch284

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Condensing Agent Consisting of Trisubstituted Phosphine/Tetrahalomethane/Base System for Direct Polycondensation Using CO 2 as a Monomer

Autor: Hideyuki Tagaya, Jun-ichi Kadokawa

Publikováno v: Phosphorus, Sulfur, and Silicon and the Related Elements. 177:1925-1925

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3658a2d7f0164abccf8641591e84d6f6
https://doi.org/10.1080/10426500213311

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Stereoselektivität diastereogener CC-Verknüpfungen II Eine Carben/Carbenoid-Kaskade und «Hypermechanismen»

Autor: Le Van Chau, Manfred Schlosser, Bojana Spahic

Publikováno v: Helvetica Chimica Acta. 58:2586-2594

Stereoselectivity of Diastereogenic CC-Linking Reactions II. A Carbene/Carbenoid-Cascade and «Hypermechanisms» In a systematic study four pairs of dihalocarbene precursors were treated with methyllithium in the presence of 2-methyl-2-pentene. Each

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9519aa66160843fe822ceed4b6d2349
https://doi.org/10.1002/hlca.19750580843

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