EXHIBIT 23.3



INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Registration Statement of
Boston Life Sciences, Inc. on Form S-3 of the report of Deloitte & Touche LLP
dated January 31, 1989 with respect to the statements of operations,
stockholders' equity and cash flows of Greenwich Pharmaceuticals Incorporated
(the "Company") for the period of inception (February 1969) to December 31, 1988
appearing in the Annual Report on Form 10-K/A of Greenwich Pharmaceuticals
Incorporated for the year ended December 31, 1994, as amended by Form 10-K/A.
Such report contains an explanatory paragraph that states that the ultimate
success of the Company's development program is dependent upon future events,
the outcome of which is currently undeterminable, and is also dependent upon
obtaining financing adequate to fulfill its development activities and achieving
a level of revenues adequate to support the Company's cost structure. We also
consent to the reference to us under the headings "Experts" in such prospectus.


/s/ DELOITTE & TOUCHE LLP

DELOITTE & TOUCHE LLP

Philadelphia, Pennsylvania
May 10, 1996