Aromatic nucleophilic substitution on halogenoarene tricarbonyl chromium complexes: synthesis of Cr(CO)3 complexed aniline derivatives.
✍ Scribed by Clara Baldoli; Paola Del Buttero; Stefano Maiorana
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- French
- Weight
- 213 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0040-4039
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## The reaction of Cr(CO)j-complexed chloroarenes with HCO$H:, and NaOCH3 in the presence qf a catalytic amount of PdC&PPh3)2 gives esters in good yieldr provided that the arene is substituted by an electron-&Wing group, whereas the presence of an electron-withdrawing substituent on the aromatic r
## Abstract It is shown that ^13^C NMR is not suitable for determining the conformation of the Cr(CO)~3~ group in monosubstituted chromium tricarbonyl complexes. However,. ^1^H NMR can be used for such determinations if one takes substituent effects into account, whn necessary, and an appropriate r
## Abstract A series of new rhenium(I) complexes of the type [Re^I^(CO)~3~(L)(L′)]^__n__+^ (L = 2,2′‐biquinoline (bqui) or 3,3′‐(ethane‐1,2‐diyl)‐2,2′‐biquinoline (CH~2~CN~2~)bqui); L′ = CF~3~SO$\rm{\_3^ - }$, pyridine (py), or 4‐substituted pyridine (HOpy, Bzpy, or NCpy); __n__ = 0 or 1) were prep