Sutter, Marc published the artcile1,2,3-Trimethoxypropane and Glycerol Ethers as Biosource Solvents from Glycerol. Synthesis by Solvent-Free Phase-Transfer Catalysis and Utilization as an Alternative Solvent in Chemical Transformations, Quality Control of 70445-33-9, the publication is ChemCatChem (2013), 5(10), 2893-2904, database is CAplus.
1,2,3-Trimethoxypropane, 1-alkoxy-2,3-dimethoxypropane and 1-aryloxy-2,3-dimethoxypropane were prepared in good yields and selectivity by a solid-liquid phase-transfer catalysis in the presence of an inorganic base and an ammonium salt as a phase-transfer catalyst with no addnl. solvent. No heating was required and the synthesis of the target compounds was achieved easily under atm. pressure on a 150 g scale. For the preparation of 1,2,3-trimethoxypropane, the conversion of glycerol was complete and the selectivity for the expected glycerol tri-Me ether was above 95%. This product was used as a solvent in organic reactions such as a transesterification between glycerol and vegetable oil, organometallic reactions (Grignard- and Barbier-type reactions), carbon-carbon coupling reactions (Suzuki, Sonogashira, Heck) and in etherification reactions by dehydrogenative alkylation. The solvent showed interesting properties for the solubilization of polymers.
ChemCatChem published new progress about 70445-33-9. 70445-33-9 belongs to alcohols-buliding-blocks, auxiliary class Aliphatic Chain, name is 3-((2-Ethylhexyl)oxy)propane-1,2-diol, and the molecular formula is C6H12Br2, Quality Control of 70445-33-9.
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