UNITED STATES	
SECURITIES AND EXCHANGE COMMISSION	
Washington, D.C. 20549	
Notice of Effectiveness	
Effectiveness Date:	May 1, 2013 4:00 P.M.	
Form:	S-3	
CIK:	
0001157601	

Company Name:	
SYNTA PHARMACEUTICALS CORP	

File Number:	
333-187242