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Chemical solutions
Our focus Our effort focused on the design and development of efficient catalytic systems for the selective hydrogenation of C=O bonds in furan derivatives.
Synthesis of pre-catalysts ,[object Object],2. Unsaturation produces pre-catalyst. ( 1b )   31 P{ 1 H} NMR (CDCl 3 ):  δ  83.5 (t), 56.8 (t)  (62% yield) ( 2a )  31 P{ 1 H} NMR (CDCl 3 ):  δ  130.3 (t), 118.5 (t)  (48% yield) ( 2b )  31 P{ 1 H} NMR (CDCl 3 ):  δ  134.6 (t), 133.4 (t)  (56% yield)
New Synthetic strategy with DMSO ( 6a )  77% yield ( 7a )  68% yield
New synthetic strategy with COD ( 8a ) 89 % yield ( 8b ) 82 % yield ( 9a ) 78 % yield ( 9b ) 45 % yield
Oxidative addition ( 7b )  56 % yield ( 10a ) 59 % yield ( 10a )   31 P{ 1 H} NMR (CDCl 3 ):  δ  94 (d, Ir-Pyr 2 ), 92 (d, Ir-Ppyr 2 ).  ( 7b )   31 P{ 1 H} NMR (CDCl 3 ):  δ 33.1 (d, Ir-PPh 2 ), 32.1 (d Ir-PPh 2 ).
Conclusions ,[object Object],[object Object],[object Object]

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Chemical Solutions

  • 2. Our focus Our effort focused on the design and development of efficient catalytic systems for the selective hydrogenation of C=O bonds in furan derivatives.
  • 3.
  • 4. New Synthetic strategy with DMSO ( 6a ) 77% yield ( 7a ) 68% yield
  • 5. New synthetic strategy with COD ( 8a ) 89 % yield ( 8b ) 82 % yield ( 9a ) 78 % yield ( 9b ) 45 % yield
  • 6. Oxidative addition ( 7b ) 56 % yield ( 10a ) 59 % yield ( 10a ) 31 P{ 1 H} NMR (CDCl 3 ): δ 94 (d, Ir-Pyr 2 ), 92 (d, Ir-Ppyr 2 ). ( 7b ) 31 P{ 1 H} NMR (CDCl 3 ): δ 33.1 (d, Ir-PPh 2 ), 32.1 (d Ir-PPh 2 ).
  • 7.