Download Industrial Applications of Homogeneous Catalysis by M. Röper (auth.), A. Mortreux, F. Petit (eds.) PDF

By M. Röper (auth.), A. Mortreux, F. Petit (eds.)

Catalysts are actually established in either laboratory and industrial-scale chemistry. certainly, it's demanding to discover any complicated synthesis or business approach that doesn't, at a few level, make the most of a catalytic response. the improvement of homogeneous transition steel catalysts at the laboratory scale has validated that those structures may be a ways better to the similar heterogeneous structures, a minimum of when it comes to selectivity. is an expanding curiosity during this box of analysis from either an therefore, there educational and commercial perspective. In reference to the speedy advancements during this sector, 4 universities from the E.E.C (Aachen, FRG; Liege, Belgium; Milan, Italy; and Lille, France) have collaborated to organise a chain of seminars for high-level scholars and researchers. those conferences were backed by way of the fee of the E.E.C and kingdom firms. the newest of those conferences used to be held in Lille in September 1985 and this publication comprises up-to-date and extended shows of many of the lectures given there. those lectures are considering the sphere of homogeneous transition steel catalysis and its software to the synthesis of natural intermediates and tremendous chemical substances from an instructional and business perspective. the continued petroleum problem which begun within the early Nineteen Seventies has given upward push to the necessity to increase new feedstocks for the chemical industry.

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F. Piacenti and M. Bianchi in I. Wender and P. 1. T. A. Weil, L. Cassar and M. Foa in I. Wender and P. ), Organic Syntheses via Metal Carbonyls, Vol. 2,John Wiley and Sons, New York, 1977, p. 517. D. Forster, Adv. Organometal. , 17,255 (1979). K-H. Keirn, J. Korff, W. Keirn and M. , 35,297 (1982). F. Paulik and J. E. Roth, J. Chern. , Chern. , 1578 (1968). N. von Kutepow, W. Himmele and H. Hohenschutz, Chern. Ing. , 37, 383 (1965). J. Gauthier-Lafaye and R. Perron (Rhone-Poulenc), Eur. Pat. Appl.

CH=CH/ Br Br C0 2H NHCOCH 3 ........ CH=CH /C01Bu -",C0 2Bu CH 2 ...... COzMe /C0 2 Me CH 2=CH-C0 2Me Ar Ar/ CH=CH @-C0 2 H Cl C 4H 9 JQ:C Cl @-Br 2 -@-co n-Bu @-C01H Br NC Product @-Br C4H 9 MNHCOCH3 NC-@-Br Starting Material Co 2(CO)s Pd-SnCI 2 Pd Pd Co 2(CO)s hv Ni Pd Pd Catalyst TABLE III Synthesis of acids and esters. 70 120 70 70 65 100 110 Yield 98 83 150 20 58 80 95 88 90 88 % 110 110 2 1 Conditions bar 100 T [18,19] [17] [12,13] [12,13] [16] [15] [14] [12,13] Ref. Il N tr:I en H en ::r:: >-3 Z ~ r-< en en > n H is: tr:I ::r:: n tr:I Z H >rj Ij > Z n [22,23] [24] [25] 95 94 72 20 5 1 70 60 65 CO 2 (CO)8 Fe(CO)3NO Fe-CRACO OSC HZCO2 Me @ C H2C02 H CH 3 n-C SH 17-C0 2 t-Am OCHCl S 2 @CH2Cl CH3 n-CsH 17 -CI [21] 60 20 70 Ref.

Unexpectedly, however, they have not been thoroughly investigated recently; considerable progress is therefore to be expected in this area in the near future. 1. SYNTHESIS OF UNSATURATED ACIDS This is the best known alkyne carbonylation reaction. It has been industrialized in the special case of acrylic acid synthesis [129]. HCsCH + CO + H20 Ni/Cu. CH 2 =CH-C02 H The reaction has been extended to unsymmetrical alkynes (Table XVI). Usually performed at high temperature using nickel (or palladium) catalysts, the reaction is effective at room temperature using stoichiometric quantities of nickel tetracarbonyl: 4 RC""CH + 4 H20 + Ni (CO)4 + 2 HCI - 4 RCH=CH-C0 2H + NiCI2 + H2 Use of cobalt instead of nickel catalysts favors succinic derivatives (Table XVI).

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