Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Mireille Grosjean"'
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 71:467-472
Some new aryltrialkyltins Ar-SnR3 have been synthesized. The compounds having R=CH3 have been made for the Ar groups parabromophenyl, paratolyl, metatolyl, paraanisyl, paratrimethystannyl, paratrimethylsilyl, 1-naphtyl, 2-naphtyl and 9-phenantryl. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6672ba7d23f519375a198b7fdaca87a
https://doi.org/10.1002/bscb.19620710902
https://doi.org/10.1002/bscb.19620710902
Autor:
Gilbert Vandendunghen, Ouri Buchman, Jacques Nasielski, Jean-Jacques Schurter, Mireille Grosjean
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 77:349-353
It is shown that one ortho methyl group has a weaker accelerating effect than a para methyl group in the iododestannylation of phenyltrialkyltins, whatever the size of the alkyl chains bound to the tin atom. Two ortho methyl groups lead to a rate whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73a5bf27e72716893f9fc4975dc21f70
https://doi.org/10.1002/bscb.19680770510
https://doi.org/10.1002/bscb.19680770510
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 77:15-19
The reaction of phenyltrimethyltin with iodine is faster than that of phenyltriisopropyltin, but the ratio of the second order rate constants for both compounds is however the same in methanol and in isopropanol. Since isopropanol is less nucleophili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43897478f307c9269b362557338ed5c4
https://doi.org/10.1002/bscb.19680770102
https://doi.org/10.1002/bscb.19680770102
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 72:286-288
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6224641ac5751795153deb769509eb6d
https://doi.org/10.1002/bscb.19630720312
https://doi.org/10.1002/bscb.19630720312
Publikováno v:
Helvetica Chimica Acta. 53:905-922
The alkylation of the ‘malonyl-α-aminopyridines’ (4) gives mixtures of substitution products, mainly the N1-and O2-alkyl derivatives. The IR., UV. and NMR. spectra are discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e4ea87114a0ef4d3a478145477f59d4
https://doi.org/10.1002/hlca.19700530505
https://doi.org/10.1002/hlca.19700530505
Publikováno v:
Helvetica Chimica Acta. 47:1688-1695
Aromatic organo‐tin compounds ArSnR3 have been synthesized with R = n‐butyl and R = i‐propyl. Increased bulk of the leaving group results in lower reactivity towards iodine, showing appreciable interactions between the incoming and leaving grou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dc81c0a9d8cea55fdeb9c4bae1213e6
https://doi.org/10.1002/hlca.19640470704
https://doi.org/10.1002/hlca.19640470704
Publikováno v:
Helvetica Chimica Acta. 47:2037-2041
Rates of reaction between iodine and p-trimethylsilyl- and p-trimethylstannyl-phenyl-trimethyltin in methanol have been determined. These rates show that for the (CH3)3Si- substituent, the donor inductive effect and the withdrawing mesomeric effect o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3058820bf8e255294d88b0919d5cb45
https://doi.org/10.1002/hlca.19640470744
https://doi.org/10.1002/hlca.19640470744
Publikováno v:
Helvetica Chimica Acta. 47:1695-1700
The reactivity of a series of aryltrialkyltins towards HCl in methanol has been determined; the reaction is shown to be an aromatic electrophilic substitution. Steric effects are less operative in this case than in iodo‐destannylation; methanolic H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67506a9ecb568ea2c6c580892b7d1c64
https://doi.org/10.1002/hlca.19640470705
https://doi.org/10.1002/hlca.19640470705
Publikováno v:
Helvetica Chimica Acta. 47:1679-1688
The rate of the reaction between iodine and a series of substituted phenyltri- methyltins in methanol has been determined and activation parameters estimated. The rates correlate well with the σ+ substituent constants, showing that the iodo- destann
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1aec8dbd14f3da5812ee9534326013b
https://doi.org/10.1002/hlca.19640470703
https://doi.org/10.1002/hlca.19640470703