Asymmetric pinacol coupling catalyzed by TADDOL-titanium complexes was written by Wen, Jiwu;Zhao, Jun;You, Tianpa. And the article was included in Journal of Molecular Catalysis A: Chemical in 2006.Application of 93379-49-8 This article mentions the following:
Chiral diols such as I, derived from tartaric acid, have been exploited in the asym. pinacol coupling reaction, and good to excellent diastereoselectivities and moderate to good enantioselectivities were obtained. In the experiment, the researchers used many compounds, for example, ((4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-diyl)bis(diphenylmethanol) (cas: 93379-49-8Application of 93379-49-8).
((4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-diyl)bis(diphenylmethanol) (cas: 93379-49-8) 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.Application of 93379-49-8
Referemce:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem