acetic anhydride造句
1) An interesting development is the direct synthesis of acetic anhydride, used to make cellulose acetate for photographic film base.
2) Glucose pentaacetat was directly synthesized from glucose and acetic anhydride with p-toluene sulphonic acid as catalyst under microwave irradiation.
3) Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.
4) Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.
5) When the fibers were treated with acetic anhydride, it was possible to acetylate the chitosan fibers and converted them into chitin fibers.
6) A analytic method by titration using acetic anhydride as age nt is related in this paper.
7) Aspirin was synthesized from salicylic acid and acetic anhydride by sodium bisulfat as catalyst.
8) The effects of acylating agents, acetic anhydride and ketene on synthesis of linalyl acetate from linalool were studied.
9) The effects as the dosage catalyzer and acetic anhydride had been studied in new process.
10) Monochloroacetic acid was prepared by using acetic anhydride or sulfur as catalysts to chlorinate acid respectively.
11) Reaction of a terpene alcohol with acetic anhydride in the presence of a high-boiling amine provides a terpene ester.
12) Sulfur method replaced by acetic anhydride method for chloroacetic production is the trends in domestic.
13) The acid solution is a mixture of glacial acetic acid, acetic anhydride, and sulfuric acid.
14) Many of China's producers adopt interrupter chloration process by brimstone catalyst, however continuous chloration reactor by acetic anhydride catalyst has been used abroad.
15) In this paper, natural cotton cellulose was modified by the steam explosion, modified cellulose, acetic anhydride and fatty acids have been used to synthesize the long chain cellulose ester.
16) The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
17) The results show that cerous chloride has a better catalytic activity for the acylation of tert-butyl alcohol and acetic anhydride.
18) In this paper N-acetylated chitosan films were prepared by the reaction of chitosan and acetic anhydride in the medium CH 3OH and acetic acid.
19) Corn starch, modified by acid, can be acetylated to starch acetate by treatment with acetic anhydride.
20) Treatment of 4-chloroaniline (1) with equimolar amounts of mercury acetate, lithium chloride and excess acetic anhydride gave 2 in high yield.
21) N - phenyl maleimide was synthesized ring dehydration catalyst of nickel diacetylacetonate ( Ni ( ac ac ) 2 ) by acetic anhydride method.
22) Formyl L aspartic anhydride was prepared by the reaction of L aspartic acid and formic acid with magnesium oxide catalyst in acetic anhydride solvent.
23) The site includes capacity for acetic acid, vinyl acetate monomer, acetic anhydride, as well as vinyl acetate emulsions, GUR ultra high molecular weight polyethylene and Celstran.
24) An alcohol evaporator for production of acetic acid and acetic anhydride exploded during operation.
25) Litsea cubeba oil reacted with hydroxylamine sulfate to give citral oxime, which by dehydration with acetic anhydride in the presence of phase transfer catalyst gave lemonile.
26) Uses: One of the most important organic raw materials, mainly used in vinyl acetate, acetic anhydride, acetic ester, acetate, acetate fiber and other products.
27) Sulfonated EPDM ionomers ( S - EPDM ) were prepared with concentrated sulfuric acid and acetic anhydride.
28) New progress for phenylacetone synthesis from organic zinc reagent and acetic anhydride was studied.
29) Methods: The target compounds were synthesized by methylation and acetylation, iodomethane as methylated reagent, acetic anhydride as acylated reagent.
30) The O - acetylation of tri - butyl citrate with acetic anhydride catalyzed by polyvinyl pyridine was explored.
12