1 This article is pree reviewd of article Ivana Kovačević , Mirjana Popsavin, Goran Benedeković, Jelena Kesić, Vesna Kojić, Dimitar Jakimov, Tatjana Srdić-Rajić , Gordana Bogdanović ,Vladimir Divjaković , Velimir Popsavin. “Synthesis and in vitro antitumour activity of crassalactone D, its stereoisomers and novel cinnamic ester derivatives” This work was supported by Research grants from the Ministry of Education, Science and Technological Development of the Republic of Serbia (Grant No. OI 172006), and (in part) by a research project from the Serbian Academy of Sciences and Arts (Grant No. F-130). This work is licensed under Creative Commons - Attribution-Noncommercial-NoDerivative Works 4.0 Serbia