e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
The Journal of organic chemistry
Reactions of 3-(1-Hydroxyalkyl) phthalides with Acids: Synthesis of (Z)-3-Alkylidenephthalides and 3-Alkyl-8-hydroxyisocoumarins
RS Mali, KN Babu
Index: Bhide, B H; Akolkar, V D; Brahmbhatt, D I Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1992 , vol. 31, # 2 p. 116 - 117