7  5,744,649  8  wherein  each  R $^{6 }$is  the  same  or  different  and  is a  substituted  or  unsubstituted  monovalent  hydrocarbon  radical  e.g.,  an  Representative  diorganophosphites  may  include  those  having  the  formula:  (IV)  Representative  triorganophosphites  may  include  those  having  the  formula:  wherein  R  $^{1 }$represents  a  substituted  or  unsubstituted  trivalent  hydrocarbon  radical  containing  from  4 to  40  carbon  atoms  or  greater,  such  as  trivalent  acyclic  and  trivalent  cyclic  radicals,  e.g.,  trivalent  alk:ylene  radicals  such  as  those  derived  from  1.2.2-trimethylolpropane  and  the  like,  or  trivalent  cycloalky› lene  radicals  such  as  those  derived  from  1.3.5- trihydroxycyclohexane,  and  the  like.  Such  monoorgano› phosphites  may  be  found  described  in  greater  detail,  for  example.  in  U.S.  Pat.  No.  4.567,306,  the  disclosure  of  which  is  incorporated  herein  by  reference  thereto.  wherein  W  is  as  defined  above,  each  Ar  is  the  same  or  different  and  represents  a  substituted  or  unsubstituted  aryl  radical,  each  y is  the  same  or  different  and  is a  value  of  O  or  l,  Q  represents  a  divalent  bridging  group  selected  from  -C(R $^{3}$)i-,  -0-,  -S-,  -NR 4 -,  Si(R 5 ) 2 - and  -CO-,  wherein  each  R 3  is  the  same  or  different  and  represents  hydrogen,  an  alkyl  radical  having  from  1 to  12  carbon  atoms,  phenyl,  tolyl,  and  anisyl.  R 4  is  as  defined  above,  each  R 5  is  the  same  or  different  and  represents  hydrogen  or  a  methyl  radical,  and  m  is  a  value  of  O  or  1.  Such  diorganophosphites  are  described  in  greater  detail  for  example,  in  U.S.  Pat.  Nos.  4,599,206,  4,717,775,  and  4,835.  299  the  disclosures  of  which  are  incorporated  herein  by  reference.  (I)  Representative  monoorganophosphites  may  include  those  having  the  formula:  (Ill)  Representative  of  a  more  preferred  class  of  diorganophos- phites  are  those  of  the  formula:  Among  the  organophosphites  that  may  serve  as  the  ligand  of  $_{the }$metal-organophosphite  ligand  complex  catalyst  con- taining  reaction  product  fluids  of  this  invention  and/or  any  free  organophosphite  ligand  of  the  hydroformylation  pro› cess  that  might  also  be  present  in  said  reaction  product  fluids  are  monoorganophosphite,  diorganophosphite,  triorgano› phosphite  and  organopolyphosphite  compounds.  Such  orga- nophosphite  ligands  employable  in  this  invention  and/or  methods  for  their  preparation  are  well  known  in  the  art.  The  organophosphites  that  may  serve  as  the  ligand  of  the  metal-organophosphite  ligand  complex  catalyst  and/or  free  ligand  of  the  hydroformylation  processes  and  reaction  prod› uct  fluids  of  this  invention  may  be  of  the  achiral  (  optically  inactive)  or  chiral  (  optically  active)  type  and  are  well  known  in  the  art.  Achiral  organophosphites  are  preferred.  Representative  substituted  and  unsubstituted  monovalent  hydrocarbon  radicals  represented  by  W in  the  above  For› mula  (II)  include  alkyl  and  aryl  radicals,  while  representa› tive  substituted  and  unsubstituted  divalent  hydrocarbon  radi› cals  represented  by  R $^{2 }$include  divalent  acyclic  radicals  and  divalent  aromatic  radicals.  filustrative  divalent  acyclic  radi- cals  include.  for  example.  alkylene.  alkylene-oxy-alk:ylene.  alkylene-NR $^{4}$-alkylene  wherein  R $^{4 }$is  hydrogen  or  a  substi› tuted  or  unsubstituted  monovalent  hydrocarbon  radical,  e.g  ..  an  alkyl  radical  having  1 to  4  carbon  atoms;  alk:ylene-S› alkylene,  and  cycloalkylene  radicals.  and  the  like.  The  more  preferred  divalent  acyclic  radicals  are  the  divalent  alk:ylene  radicals  such  as  disclosed  more  fully.  for  example.  in  U.S.  Pat.  Nos.  3.415,906  and  4,567,302  and  the  like.  the  disclo› sures  of  which  are  incorporated  herein  by  reference.  filus- trative  divalent  aromatic  radicals  include,  for  example,  arylene,  bisarylene,  arylene-alk:ylene,  arylene-alkylene› ~lene,  arylene-oxy-arylene,  arylene-NR $^{4}$-arylene  wherein  R  is  as  defined  above,  arylene-S-arylene,  and  arylene-S› alkylene.  and  the  like.  More  preferably  R 2  is  a  divalent  aromatic  radical  such  as  disclosed  more  fully.  for  example.  in  U.S.  Pat.  Nos.  4,599,206,  4,717,775,  4,835,299,  and  the  like,  the  disclosures  of  which  are  incorporated  herein  by  reference.  wherein  R $^{2 }$represents  a  substituted  or  unsubstituted  divalent  hydrocarbon  radical  containing  from  4 to  40  carbon  atoms  or  greater  and  W  represents  a  substituted  or  unsubstituted  monovalent  hydrocarbon  radical  containing  from  1 to  18  carbon  atoms  or  greater.  The  number  of  available  coordination  sites  on  such  metals  is  well  known  in  the  art.  Thus  the  catalytic  species  may  comprise  a  complex  catalyst  mixture,  in  their  monomeric,  dimeric  or  higher  nuclearity  forms,  which  are  preferably  characterized  by  at  least  one  organophosphite-containing  molecule  complexed  per  one  molecule  of  metal,  e.g.,  rhodium.  For  instance,  it  is  considered  that  the  catalytic  species  of  the  preferred  catalyst  employed  in  a  hydroformy› lation  reaction  may  be  complexed  with  carbon  monoxide  and  hydrogen  in  addition  to  the  organophosphite  ligands  in  view  of  the  carbon  monoxide  and  hydrogen  gas  employed  by  the  hydroformylation  reaction.  (II)  tional  ligand,  e.g.,  hydrogen  or  an  anion  satisfying  the  coordination  sites  or  nuclear  charge  of  the  metal.  filustrative  additional  ligands  include,  for  example,  halogen  (Cl,  Br,  I).  alkyl,  aryl.  substituted  aryl.  acyl.  CF$_{3}$ ,  C$_{2}$ F$_{5}$ •  CN.  (RhPO  and  RP(O)(OH)O  (wherein  each  R is  the  same  or  different  and  is  a  substituted  or  unsubstituted  hydrocarbon  radical,  e.g.,  the  alkyl  or  aryl),  acetate,  acetylacetonate,  SO$_{4}$ ,  PF$_{4}$ ,  PF$_{6}$ ,  NO$_{2}$ •  NO$_{3}$ ,  CH$_{3}$ O.  CH$_{2}$ =CHCH$_{2}$ ,  CH$_{3}$ CH=CHCH$_{2}$ •  C$_{6}$ H$_{5}$ CN.  CH$_{3}$ CN,  NH$_{3}$ ,  pyridine,  (C$_{2}$ H$_{5}$ ) $_{3}$N,  mono-olefins.  diolefins  and  triolefins.  tetrahydrofuran,  and  the  like.  It is  of  course  to  be  understood  that  the  complex  species  are  pref› erably  free  of  any  additional  organic  ligand  or  anion  that  might  poison  the  catalyst  or  have  an  undue  adverse  effect  on  catalyst  performance.  It  is  preferred  in  the  metal› organophosphite  ligand  complex  catalyzed  hydroformyla- tion  reactions  that  the  active  catalysts  be  free  of  halogen  and  sulfur  directly  bonded  to  the  metal.  although  such  may  not  be  absolutely  necessary.  0  I  \.  R2  P-0-W  \.  I  0  0  I\.  R 1 -0-P  \.  I  0  OR 6  I  P-OR 6  \.  OR 6 