Synthesis of vanillin 1,2-propylene glycol acetal catalyzed by iodine was written by Wang, Yong-lan;Bo, Hui-ying;Wang, Hong-she. And the article was included in Huaxue Gongchengshi in 2013.COA of Formula: C11H14O4 This article mentions the following:
Vanillin 1,2-propylene glycol acetal was synthesized through the condensation of vanillin with 1,2-propylene glycol using iodine as a catalyst. The effects of the molar ratio of reactant, the amount of catalyst, reaction temperature and reaction time on the yield of product were discussed. The results showed that the optimized reaction conditions are as follows: the molar ratio of vanillin (0.1 mol) to 1,2-propylene glycol (0.18 mol) is 1 : 1.8; the amount of catalyst is 1.2 g, reaction temperature is 60°C and the reaction time is 20 min. Under the optimum conditions mentioned above, the yield of vanillin 1,2-propylene glycol acetal reached more than 91.3%. In the experiment, the researchers used many compounds, for example, 2-Methoxy-4-(4-methyl-1,3-dioxolan-2-yl)phenol (cas: 68527-74-2COA of Formula: C11H14O4).
2-Methoxy-4-(4-methyl-1,3-dioxolan-2-yl)phenol (cas: 68527-74-2) belongs to dioxole derivatives. Dioxoles, particularly fluorinated dioxoles, are used as co-monomers to make polymers that find use in forming protective coatings for chemical resistance. 1,3-Benzodioxole can be synthesized from catechol with disubstituted halomethanes.COA of Formula: C11H14O4
Referemce:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem