Exhibit 32.1

                                  Certification
                       pursuant to 18 U.S.C. Section 1350,
                             as adopted pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002
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In connection  with the Quarterly  Report Pursuant to Section 13 or 15(d) of the
Securities  Exchange Act of 1934 on Form 10-Q of Immtech  Pharmaceuticals,  Inc.
(the "Company") for the quarterly  period ended June 30, 2006, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Eric L.
Sorkin, President and Chief Executive Officer of the Company,  certify, pursuant
to  18  U.S.C.  Section  1350,  as  adopted  pursuant  to  Section  906  of  the
Sarbanes-Oxley Act of 2002, that:

        1)     the Report fully complies with the  requirements of Section 13(a)
               or 15(d) of the Securities Exchange Act of 1934, as amended; and

        2)     the information  contained in the Report fairly presents,  in all
               material  respects,   the  financial  condition  and  results  of
               operations of the Company.

                            /s/ Eric L. Sorkin
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                            Eric L. Sorkin
                            President & Chief Executive Officer
                            August 9, 2006