United  States  Patent  c191  Kruse  [II]  4,024,193  [45)  May 17,  1977  [54]  HOMOGENEOUS  HYDROGENATION  PROCESS  [75)  Inventor:  Walter M.  Kruse,  Wilmington,  Del.  [73]  Assignee:  ICI United  States Inc.,  Wilmington,  Del.  [22)  Filed:  Nov. 7, 1975  [21]  Appl. No.:  629,885  [63]  Continuation-in-part  of Ser. No.  407,871,  Oct. 19,  1973, Pat.  No.  3,935,284.  [52)  U.S. CL  .......................  260/618  D;  252/431  P;  260/618  H;  260/633;  260/635  A  [51]  Int. Cl. 2  •••••••••••••••••••  C07C 29/00;  C07C 29/14  [58)  Field of Search  .......  260/618  H,  638  B,  635  A,  260/621  K,  618  D,  633; 252/431  P  Related U.S.  Application  Data  [56)  References  Cited  UNITED  STATES PATENTS  3,110,747  3,454,644  3,766,271  3,767,709  3,793,355  3,804,868  3,804,869  3,857,900  3,883,580  11/1963  7/1969  10/1973  10/1973  2/1974  •  4/1974  4/1974  12/1974  5/1975  Mullineaux  ....................  252/43  I  P  Dewhurst  .......................  260/638  B  Knifton  ..........................  252/431  P  Fenton  ...........................  252/431  P  Wilkinson  et al  ..............  252/431  P  Chabardis  et al. ......  ....... 252/431  P  Chabardis  et al  ..............  252/431  P  Wilkinson  ......................  260/618  H  Solodar  et al. .........  ....... 260/6  I 8 H  3,906,045  9/1975  Knifton  et al.  .................  252/431  P  3,933,919  1/1976  Wilkinson  ......................  252/431  P  Primary  Examiner-Norman  Morgenstern  A  homogeneous  hydrogenation  process  is  disclosed.  The  process,  which  is  useful  in the  preparation  of hy› drogenated  derivatives  of  compounds  having one  of the  following  formulas  wherein  R is  -Cl, -Br,  -F, or  -OH, comprises  con› tacting  a  solution  of one of  these  compounds  with hy› drogen  in the  presence  of a  catalyst  comprising  a  ruthe› nium  triphenyl  phosphine  complex  and a strong  acid.  [57]  ABSTRACT  17 Claims,  No  Drawings  RH,C-CO-@ 