4-methyl-2-octyl-1,3-dioxolane synthesis

Yield:68391-39-9 98.73 %Chromat.

Reaction Conditions:

with toluene-4-sulfonic acid;calcium chloride at 50 - 55; for 1.5 h;

Steps:

6 Example 6
Synthesis of nonal propylene glycol acetal

Example 6
Synthesis of nonal propylene glycol acetal
In the three-port flask add nonanal 710g, 1,2-propylene glycol 456g, anhydrous calcium chloride 70g, P-toluene-sulfonic acid 9 g. Cooling, to maintain the feed liquid temperature is 50-55°C, stirring for 1.5 hours, static liquid, material washing, distillation can be 968g nonanal propylene glycol acetal. This invention measures the use of advanced GC-MS (gas, combined quality) detection, content detection result in nonanal propylene glycol acetal 98.73%.

References:

CN103554078,2016,B Location in patent:Paragraph 0019; 0020