2-methoxypropyl acetate synthesis
2synthesis methods
- Product Name:2-methoxypropyl acetate
- CAS Number:70657-70-4
- Molecular formula:C6H12O3
- Molecular Weight:132.16
Yield:-
Reaction Conditions:
with hydrogenchloride in water at 80 - 150;
Steps:
6 EXAMPLE 6
EXAMPLE 6 (urified PGME Sample 3 from Example 1, containing 9 ppm of the beta-isomer (2-methoxypropan-1-ol), is acylated with acetic acid (1.2 molar equivalents) at a temperature of 80 to 150° C. in the presence of an acid catalyst (0.05 to 1 wt %), such as hydrochloric acid, to provide PGMEA having ≦9 ppm of the beta-isomer (2-methoxypropan-1-acetate).
References:
Rohm and Haas Electronic Materials LLC;GILMORE, Christopher D.;LEE, Chi-Wan;TREFONAS, III, Peter;WILLIAMS, III, William;XIE, Qiuzhen US2016/168064, 2016, A1 Location in patent:Paragraph 0020
