1. The esterification mechanism of unsaturated carboxylic acid was analyzed.

2. The esterification of xylitol and oleic acid was studied.

3. Both the free hydroxyl groups readily undergo esterification.

4. The phytosterol esters (PE) are the esterification products of phytosterols, its lowering cholesterol effect is better than the later.

5. Esterification reaction of ricinoleic acid with normal butanol was studied using NaHSO 4· H 2 O as catalyst.

6. is obtained by esterification of 6,7 - dihydroxyl - 3,3 - diphenyl - 3 H - benzofuran - 2 - ketone employing 2 - diazo - 1 - naphthoquinone - 5 - ...

7. The catalyst could also be used to catalyze esterification of acetic acid and hexoic acid with iso...

8. Stannic Chloride can be used as catalyst for esterification instead of sulphuric acid.

9. Iso - army gallate was synthesized by esterification of gallic acid with iso - army alcohol catalyzed by 4 - methylbenzene - sulfone acid.

10. Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p -hydroxybenzoic acid in the presence of vitamin C.

11. Fluorescent whitening agent ER was synthesized by the esterification reaction of phosphorous ether with o cyanobenzyl chloride dissolved in benzene.

12. The esterification reaction of propionic acid with n-pentanol was studied by using novel aluminophosphate and silicoaluminophosphate molecular sieves as catalysts.

13. In toluene solution, the esterification reaction of 3,5,6-trichlorosalicylic acid and n-pentanol took place with nano catalyst, and then the 3,5,(Sentence dictionary)6-trichlorosalicylic ester was produced.

14. Abstract: A method of simultaneously determination of reactant and product for esterification of L - phenylalanine was described.

15. Firstly, indoline - 3 - acetamide ( 9) was prepared from indole - 3 - acetic acid by catalytic hydrogenation, esterification and aminolysis.

16. Experiment results indicated that HZ-type solid acids were ideal catalysts for direct esterification of straight chain carboxylic acids and primary alcohols.

17. The acid catalytic process is another way to produce bio-diesel, which has the advantage of fast reaction rate and high conversion ratio for the esterification of methyl group in free fatty acid.

18. DOF was prepared by using anhydrous cupric sulfate as an esterification catalyst of fumaric acid with isooctyl alcohol.

19. Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

20. Under the influence of heat, the maleate structure formed in the esterification tends to isomerize into fumarate.

21. Rhizopus chinensis whole-cell lipases of different culture time were used to catalyze synthesis of ethyl hexanoate and whole-cell lipase with high synthetic activity catalyzed esterification quickly.

22. Rhizopus chinensis lipase ( RCL ) has a good potential in industrial application, with high esterification conversion.

23. Benzocaine is synthesized from p-aminotoluene by microscale chemical experiment. The experiment process includes acylation, oxidation, hydrolyzation and esterification etc.

24. A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.

25. A method of simultaneously determination of reactant and product for esterification of L - phenylalanine was described.

26. This paper reports the study on the sulfonated polystyrene resin used in esterification, transesterification, synthesis of acetals or ketals, synthesis of ether and rearrangement reaction of pinacol.

27. A new ester guerbet alcohol acetate is synthesized by using acetic acid and guerbet alcohol 2 octyl dodecyl alcohol in presence of catalyst phospho tungstic acid. The esterification ratio is 92.0 %.

28. This article makes a new Survey on the research of esterification with solid acid catalyst.

29. The rate of hydrolysis is for the most part significantly lower than the esterification rate.

30. The properties, aroma characteristics and application of methyl-furoate were discussed. Methyl-furoate was synthesized by Cannizzaro reaction and esterification.

31. Lipase catalyzed esterification of organosilyl alcohol with acid phase was studied.

32. Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso amyl alcohol in liquid phase.

33. Carnauba wax substitute was synthesized from paraffin and microcrystalline wax by oxidation with pure oxygen and esterification.

34. The oxidation, displacement and esterification of aromatic amines , aromatic amides and organic boranes using sodium perborate as oxidizing agent were reviewed.

35. It not only describes the extraneous factors influencing the esterification, but also explains the internal reasons which restrict the ester value of iso-octyl salicylate.

36. The catalyst could also be used to catalyze esterification of alcohol, isopropyl alcohol, n-butyl alcohol and n-pentyl alcohol with hexoic acid.

37. The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.

38. The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.

39. Some kinds of reactions such as acylation , carboxylation , etheration, N-alkylation, esterification ect. and their derivates' prospect applications are especially discussed.

40. Methods: The chemical constitution of Quercetin was modified by esterification, halogenation and oxidation.

41. Diazomethane was used as an esterifying agent in the esterification, of the components of the catalytic oxidation product of pseudocumene in the vapor phase.

41. is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

42. The methyl- esterification reaction of low -methoxyl pectin with methylalcohol by the presence of some catalysts was observed .

43. Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.

44. The production process of five kinds of polyol polyacryl active diluent by direct esterification was studied.

45. Pentaerythritol ester of gum rosin are made from gum rosin or light-colored rosin through esterification with pentaerythritol; used in adhesives, rubber products.

46. A new type of lauric acid's continuous esterification process is introduced.

47. Using, the benzeneatic acid benzenester was synthesized from phenol and phenyl acetyl chloride by direct esterification.

48. Enoxaparin sodium was prepared from heparin sodium via salinization, esterification, depolymerization and purification.

49. Catalytic esterification reaction of propionic acid with ethyl alcohol by copper p - toluene sulfonate has been studied.

50. A liquid crystal with pyridine group was synthesized from reactants of pyrogallic acid and isonicotinato by esterification reaction.

51. The influence factors of esterification of isooctyl alcohol with tridecane dicarboxylic acid over zeolites 3, ZSM-5(), HZSM-5 were investigated.

52. Ethopabate is prepared via esterification, acylation and alkylation from p - aminosalicylic acid in 87.

53. With alkali reaction, can occur esterification, acyl halide, amide reaction.

54. Described the feasibility of taurine synthesis with the waste heteropoly acid through the ethanolamine esterification.

55. The kinetics of esterification is discussed and kinetic equation set up.

56. This paper studies the esterification and sulfation of rubber seed oil, and inquires into the fatliquoring application of sulfating oil and the relationship with the properties of the leather.

57. It had been found that ammonium ferric sulfate dodecahyrate was superior to sulfuric acid when used as catalyst for esterification of isoamyl alcohol and hexanoic acid.

58. Sodium ammonium triacetate(SAT)has been investigated as a non-phosphorus catalyst for esterification crosslinking of cotton with 1,2,3,4-butanetetra carboxylic acid(BTCA).

59. The esterification condition of Benzoic acid and antimicrobial activity of methyl benzoate were studied.

60. A new method to synthesize sodium dioleyl sulfosuccinate by esterification and sulfonation without adding any extra phase catalyst in nitrogen atmosphere was developed.

61. Technology of sulfuric acid catalyzed ethyl esterification of high acid value tuna oil was studied.

62. The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.

63. N_amyl lactate was synthesized by homogeneous esterification of n_pentenol with Lactic acid using silicotungstic acid as the catalyst.

64. Methyl esterification of soybean oil deodorizer distillate catalyzed by a nonspecific lipase was investigated.

65. Chemical construction changes of components in esterification between wood and polycarboxylic were analyzed by electron spectroscopy for chemical analysis(ESCA) in this paper.

66. Esterification of various acids with various alcohols at equivalent molar ratio of acid to alcohol has been investigated, using perfluorous nonene as a fluorous solvent.

67. A new type catalyst was prepared and applied to the oxidative esterification reaction of methacrolein (MAL) to methyl methacrylate (MMA).

68. By using probability statistics and dynamics, this paper derived the esterification degree distribution function and its calculation formula for polyol-acrylate reaction.

69. Moreover, we adopted an one - pot route combining the cyclopropanation and esterification of enoxysilane to prepare the cyclopropyl esters in moderate to good...

70. The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products, and the routes were optimized.

71. Tower type parallel impellent flow technique was used to build overlarge capacity esterification reactor.

72. A mathematical regression model was presented in this study for the separation of sterols in methyl(esterification) of rapeseed oil deodorized distillate by central composite design.

73. It has been found that ammonium ferric sulfate dodecahyrate was superior to H2SO4 when used as catalyst for esterification of isobutanol with acetic acid.

74. We constructed a CALB - displaying yeast whole - cell biocatalyst applied it to esterification from caproic acid and ethanol.

75. With heteropoly acids as catalyst,(http:///esterification.html) diisooctyl glutarate was prepared by esterification of isooctyl alcohol and glutaric acid separated from dicarboxylic acids.

76. These include esterification amidation the formation of urethanes aromatic substitution etc.

77. The synthesis of nipagin ester with solid acid catalyst of HY type has been carried out by esterification of n -butyl alcohol and p -hydroxybenzoic acid.

78. METHODS Cilnidipine was synthesized from cinnamyl alcohol by esterification, feminization and condensation - cyclization.

79. Esterification of fumaric acid with catalysts, isomerization of maleic acid and maleate with catalysts were investigated.

80. The effect of various esterification method, composition of catalysts and molecular weight of polyether on defoam ability were also studied.

81. The amyl pentanoate was synthesized by the esterification reaction of n-pentanol with pentanoic acid using aluminophosphate molecular sieve as a catalyst.

82. esterification of 6,7 - dihydroxyl - 3,3 - diphenyl - 3 H - benzofuran - 2 - ketone employing 2 - diazo - 1 - naphthoquinone - 5 - sulfonyl chloride.

83. The effect of the esterification degree of amine salt of alkyl phosphate on the intumescent coating was studied through the small scale fire tests, TG and DSC method.

84. The influence factors esterification reaction, such catalyst amount , acid alcohol mole ration, reaction time were investigated.

85. The catalyst could also be used to catalyze esterification of acetic acid and hexoic acid with isopropyl alcohol and hexoic acid...

86. Dioctadecyl glutarate (OGO) was synthesized by esterification method. The sample of crystals was characterized by DSC, XRD and IR spectroscopy.

87. In this paper, the advantages and faults of different Catalysts in esterification reactions are displaied. The method to prepare HZSM-5 and SoLid super acid catalysts were introduced.

88. Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.

89. An antistatic poly(1,3-trimethylene terephthalate)(PTT) was synthesized from purified terephthalic acid(PTA), 1,3-propanediol(PDO) and antistatic agent via direct esterification.

90. The Rhizopus sp. PW358 lipase catalyzed synthesis of isoamyl valerate in organic solvents was studied, and the optimum condition for the esterification was acquired.

91. METHODS Strontium ranelate was synthesized from citric acid via decarboxylation , esterification, cyclization, alkylation, hydrolysis and salification.

92. An acrylic lard oil alkyd resin has been synthesized hy using the treated lard oil residue from tannery and a process of two-stage esterification.

93. Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

94. Nipagin esters was synthesized by the esterification of n - butyl and iso- butyl alcohol with p - hydroxybenzoic acid in the presence of vitamin C.

95. The diamyl glutarate was synthesized by esterification of n-amyl alcohol and glutaric anhydride separated from dicarboxylic acid by catalysis of silicotungstic acid.

96. This paper has the esterification of isopropanol and salicylic acid in the presence of boronic acid.

97. Disproportionated rosin ( DPR ) ( 2 - hydroxyethyl acrylate ) ester was synthesized by acyl chlorination and esterification of DPR acid.

98. The esterification process of Fmoc - Asn ( Trt ) - OH and Wang resin was studied by solid phase synthesis.

99. Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.

100. The precipitate of citric acid esters of partial fatty acid glycerides was analysed by IR during the esterification of citric acid and monoglyceride , And the cause of precipitate was investigated.

101. The results showed that tantalic acid was a good catalyst for the esterification.

101. Wish you can benefit from our online sentence dictionary and make progress day by day!

102. Based on enzymology theory, the lipase-catalyzed synthesis of maltose fatty acid ester by transesterification and esterification reaction has been studied.

103. In present study, butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.

104. The results showed that stannic chloride had strong catalysis for the esterification of high acid value oil with methanol, stannic chloride catalyst could be reused by recovery.

105. Benzyl propionate was synthesized by the esterification reaction of benzyl alcohol with propionic acid using potassium bisulfate.

106. Fluticason propionate(1) in overall yield of 60.1% was synthesized from Flumethasone by oxidation, esterification, acylation, alcoholysis and fluoromethylation.

107. Treatment of "three wastes", process feature, and its result were given for producing diethyl malonate from chloroacetic acid by cyanation and esterification.

108. The preparation of dimethyl malonate was studied acid , methanol and sodium cyanide by cyanidation and esterification.

109. A quick and convenient method was used for controlling esterification endpoint.

110. A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.

111. The cyclohexyl butyrate was synthesized by esterification of butyric acid with cyclohexanol under microwave irradiation.

112. Esterification method in aqueous phase(EMAP) can be used for the reaction of benzoic acid from cracking and oxidation ofp -cymene with dimethyl sulfate.

113. A new leather fatliquor product was synthesized by amidation(), esterification and neutralization of cotton oil.

114. The kinetics of esterification of linalool with acetic anhydride was studied.

115. Ethopabate is prepared via esterification, acylation and alkylation from p - aminosalicylic acid in 87.4 % overall yield.

116. Using conditional test, the isobutyraldehyde glycol acetal was synthesized from isobutyraldehyde and ethylene glycol by direct esterification using strong acidic cation exchange resin as catalyst.

117. The effect of the concentration, the alkalization temperature and time on the esterification degree of the cellulose sulfonate are discussed.

118. Macromolecule monomer with active groups is polycondensated with polyacid and polyols through esterification reaction to give saturated polyester that is well compatible with acrylic resin.

119. Esterification and transesterification are the most common methods of producing biodiesel. It is important to select an appropriate catalyst based on the properties of raw oil.

120. Cation exchange resin ( strong acid type ) is used as esterification catalyst.

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