*  Solubilize peptide
... what solvent(and how much) should be added? Give me any suggestions. I'd like to recommend you to add acetic acid, trifluoro ... acetic acid (TFA), and acetonitrile. How much ? Case by case, but, in the case of acetic acid or TFA, try 0.1% to 10%. In AcCN ...
  http://www.bio.net/bionet/mm/methods/1998-February/064820.html
*  New Model for Electron Flow for Sulfate Reduction in Desulfovibrio alaskensis G20 | Applied and Environmental Microbiology
... with two mobile-phase solvents, with the first consisting of 0.2% (vol/vol) acetic acid and 0.05% (vol/vol) trifluoroacetic ... An approach to correlate tandem mass spectral data of peptides with amino acid sequences in a protein database. J. Am. Soc. ... Typically, SRB of the genus Desulfovibrio use H2, organic acid substrates, formate, or short-chain alcohols as electron donors ... No C4 intermediates from the reductive branch of the tricarboxylic acid (TCA) pathway were observed in cultures of the mutant. ...
  https://aem.asm.org/content/80/3/855
*  Patent US4401827 - Novel acyl-derivatives of carnitine and process for their preparation - Google Patents
... in trifluoroacetic acid (5 ml) the acid chloride of N, S diacetyl cysteine (1.78 g; 0.008 moles) in trifluoro acetic acid (8 ml ... by adding a small amount of a chlorine-containing solvent, such as anhydrous methylene chloride or chloroform. ... in trifluoro acetic acid (9 mls), the acyl chloride of dipropylacetic acid (3.25 g; 0.02 moles) is added. The mixture is kept ... When the acyl chloride is solid and not easily soluble in trifluoro-acetic acid, it is possible to improve its solubility, in ...
  http://www.google.com/patents/US4401827?dq=5,987,610
*  US5731470A - Weakly nucleophilic anions - Google Patents
... carborate anions having unusual properties of being exceptionally weakly nucleophilic and being soluble in non-polar solvents. ... For instance, PbO2 reacts with acetic acid or trifluoroacetic acid to form the reactive oxidizing agent, lead tetraacetate or ... To a 10 mL solvent system of MeCN/CF3 COOH (9/1), PbO2 (280 mg) and Cs+ (CH3)12 CB11 1- (32 mg, note that the anion is white) ... 1--CH3 -12-I-CB11 H5)N(CH3)4 (4) (R1 =methyl, R12 =I). 3 (0.6 g, 2.60 mmol) was dissolved in acetic acid (40 mL), I2 (0.75 g, ...
  https://patents.google.com/patent/US5731470?oq=Xerox+%2B+%22centroid
*  Patent US4251232 - Amine derivatives of thio-bis-lactone acids in combination with coadditive ... - Google Patents
... amic acid amine salts bis-amides and imides of oil-soluble thio-bis-(C12-50 alkyl lactone acid), e.g. a secondary hydrogenated ... tallow amide of dithio-bis-(C16 -C24 alkyl lactone carboxylic acid), are useful in combination with a coadditive hydrocarbon ... acids such as acetic, propionic and trifluoroacetic acid, can be used in favorably controlling viscosity and reaction ... alkyl lactone acid) conveniently as prepared, or in an inert solvent such as xylene. The reagents are usually mixed in xylene ...
  http://www.google.com/patents/US4251232
*  US Patent # 6,740,651. Aminoquinazolines which inhibit signal transduction mediated by tyrosine kinases - Patents.com
... acetic acid/water, tetrahydrofuran/water or dioxane/water, in the presence of an acid such as trifluoroacetic acid, ... optionally in the presence of a solvent such as acetic acid at temperatures between 50 and 120.degree. C. or by treating with ... sulphuric acid, phosphoric acid, fumaric acid, succinic acid, lactic acid, citric acid, tartaric acid or maleic acid. The ... di-o-tolyltartaric acid, malic acid, mandelic acid, camphorsulphonic acid, glutamic acid, aspartic acid or quinic acid. An ...
  http://patents.com/us-6740651.html
*  US20060241245A1 - New polyether based monomers and highly cross-linked amphiphile resins - Google Patents
... "bad solvents" for polystyrene (acetic acid, acetonitrile, dimethylsulfoxide (DMSO), ethanol, methanol, trifluoroacetic acid ( ... trifluoroacetic acid, 2.5% thioanisole, 1.25% ethanedithiol, and 1.25% water for 2 hours. The crude peptides in solution were ... A chosen solvent (3 mL) was added and the resin was allowed to swell in during 2 minutes before the exhaust of the excess of ... The reaction is allowed to stir during 3 hours at 25° C. A mixture of 1 mL of pyridine with 0.75 mL of acetic anhydride is ...
  https://patents.google.com/patent/US20060241245
*  Patent US5532255 - Adhesion receptor antagonists - Google Patents
... formic acid, acetic acid, trifluoroacetic acid, propionic acid, pivalic acid, diethylacetic acid, malonic acid, succinic acid, ... Trifluoroacetic acid is preferably used in excess without addition of any further solvent; perchloric acid is used in the form ... pimelic acid, fumaric acid, maleic acid, lactic acid, tartaric acid, malic acid, citric acid, gluconic acid, ascorbic acid, ... Thus, inorganic acids, e.g., sulfuric acid, nitric acid, hydrohalic acids, such as hydrochloric acid or hydrobromic acid, ...
  http://www.google.com.au/patents/US5532255
*  Patent US5010104 - Tricyclic compounds - Google Patents
Examples of the organic acid are formic acid, acetic acid, trifluoroacetic acid, benzoic acid, p-toluenesulfonic acid, ... in the co-presence of an acid such as hydrochloric acid, in an inert solvent, for example, ethanol, acetic acid, etc. between ... hydrobromic acid, hydroiodic acid, sulfuric acid, nitric acid, hypochloric acid, sulfurous acid or nitrous acid, etc. ... Herein, the carboxylic acid reactive derivative include an acid halide such as acid chloride, acid bromide, etc., an acid ...
  http://www.google.com/patents/US5010104?dq=5435091
*  Patente US5741657 - Fluorogenic substrates for β-lactamase and methods of use - Google Patentes
5-eosinamine were stirred in 2 ml concentrated sulfuric acid and 2 ml glacial acetic acid. The suspension was cooled with an ... After 4 hours the solvents were removed in vacuo. The residue was dissolved in methanol to deprotect the acid after which the ... A sample of the above compound was treated with a large access of trifluoroacetic acid-anisole (1:1) at room temperature for 20 ... 100 mg palladium on carbon (10%) and 100 μl acetic acid were added to the solution and the suspension stirred vigorously in a ...
  http://www.google.es/patents/US5741657?dq=flatulence
*  CA2432211C - Dihydronaphthalene derivative compounds and agent comprising the derivative as active ingredient - Google...
... or absence of organic solvent or an aqueous solution thereof, using an organic acid (e.g., acetic acid, trifluoroacetic acid, ... acetic acid, trifluoroacetic acid, methanesulfonic acid, iodotrimethylsilane, etc.), an inorganic acid (e.g., hydrochloric acid ... or an organic acid (e.g., acetic acid, p-toluenesulfonic acid, oxalic acid, tirfluoroacetic acid, formic acid, etc.) or absence ... an inorganic acid (e.g., hydrochloric acid, sulfuric acid, etc.) or a mixture thereof (e.g., hydrogen bromide/acetic acid, etc ...
  https://patents.google.com/patent/CA2432211C/en
*  US4727071A - Cephalosporin compounds - Google Patents
This reaction may be conducted with or without a solvent. Examples of the solvent are water, methanol, ethanol, acetic acid or ... with an acid. Suitable examples of such acid include, for example, formic acid, trifluoroacetic acid, benzenesulfonic acid, p- ... toluene-sulfonic acid, hydrochloric acid or hydrogen bromide, especially trifluoroacetic acid. ... salts thereof with inorganic acids such as hydrochloric acid or hydrobromic acid; salts thereof with organic acids such as ...
  https://patents.google.com/patent/US4727071
*  SULFONYLAMINO-DERIVATIVES AS NOVEL INHIBITORS OF HISTONE DEACETYLASE - Patent application
... acid, such as for example, trifluoro acetic acid. Said reaction is performed in an appropriate solvent, such as, for example, ... appropriate acid, such as for example, trifluoro acetic acid, yielding a hydroxamic acid of formula (I-a), wherein R1 is --C(O) ... Appropriate acids comprise, for example, inorganic acids such as hydrohalic acids, e.g. hydrochloric or hydrobromic acid; ... sulfuric; nitric; phosphoric and the like acids; or organic acids such as, for example, acetic, trifluoroacetic, propanoic, ...
  http://www.patentsencyclopedia.com/app/20100234353
*  Patent US6348642 - Ricinus communis β-ketoacyl-ACP synthase nucleic acids - Google Patents
Also of interest are plants, plant parts and plant cells comprising the nucleic acid sequences. ... Organic solvents including glacial acetic acid and methanol are from J. T. Baker (Phillipsburg, N.J.). Tetrahydrofuran, ... Following overnight incubation, digest reactions are stopped by the addition of 10 μl 10% (v/v) trifluoroacetic acid (TFA). The ... acetic acid for 5 minutes and destained in 2-3 changes of 50% (v/v) methanol/10% (v/v) acetic acid, 2 minutes for each change. ...
  http://www.google.com/patents/US6348642?dq=Frischling
*  Patent US4597913 - Intermediates for fluorinated cation exchange membrane - Google Patents
... the carboxylic acid groups being at least 20% on one surface of the membrane and gradually decreasing toward the innerside of ... A novel fluorinated cation exchange membrane containing carboxylic acid groups and sulfonic acid groups, both in the form of a ... an organic solvent such as acetic acid, trichloroacetic acid, trifluoroacetic acid, or an inorganic solvent such as S2 Cl2. ... acetic acid, propionic acid, butyric acid, iso-butyric acid, n-valeric acid, caproic acid, n-heptanoic acid, caprylic acid, ...
  http://www.google.com/patents/US4597913
*  Combination for treatment of proliferative diseases - Patent # 5744460 - PatentGenius
... acids encoding the regulatory protein PKC or active mutated derivatives thereof. ... targeted to nucleic acids encoding human PKC and other (preferably standard) chemotherapeutics, either in fixed combination or ... acetic acid, dichloroacetic acid or furthermore trifluoroacetic acid, in water or organicsolvents such as halogenated solvents ... acetic acid, propionic acid, glycolic acid, succinic acid, maleic acid, hydroxymaleic acid, methylmaleic acid, fumaric acid, ...
  http://www.patentgenius.com/patent/5744460.html
*  Electrophilic amination - Wikipedia
... trifluoroacetic acid promotes diazo transfer while acetic acid encourages azidation (the reasons why are unclear). Solvent and ... instead of fragmenting into an azide and sulfinic acid, the intermediate triazene salt may break down to a diazo compound and ... although they also may be converted to azides upon acidic workup with overall elimination of sulfinic acid. The most ...
  https://en.wikipedia.org/wiki/Electrophilic_amination
*  OXAMIDE DERIVATIVE - Patent application
... carboxylic acids such as acetic acid, formic acid, propionic acid, butyric acid, and trifluoroacetic acid; amines such as N- ... solvents, starting materials, reagents, etc., and the reaction time thereof differs depending on solvents, starting materials, ... 2 hours later, methanesulfonic acid (0.048 ml) was added thereto, and further 3 hours later, methanesulfonic acid (0.024 ml) ... 3-cyclohexene-1-carboxylic acid benzyl ester (14.2 g) as a red-brown oil. [0103] This (S)-3-cyclohexene-1-carboxylic acid ...
  http://www.patentsencyclopedia.com/app/20120053349
*  POLYETHER BASED MONOMERS AND HIGHLY CROSS-LINKED AMPHIPHILE RESINS - Patent application
... "bad solvents" for polystyrene (acetic acid, acetonitrile, dimethylsulfoxide (DMSO), ethanol, methanol, trifluoroacetic acid ( ... trifluoroacetic acid, 2.5% thioanisole, 1.25% ethanedithiol, and 1.25% water for 2 hours. The crude peptides in solution were ... solvents. In organic synthesis and chromatography, low to high polarity solvents are often used in the same experiment. The ... Hydrolysis of the Polymethacrylate from Example 3 to the Poly(Carboxylic Acid) Resin ##STR00028## [0204] In a 250 mL round ...
  http://www.patentsencyclopedia.com/app/20110224392
*  SODIUM THIOSULFATE-CONTAINING PHARMACEUTICAL COMPOSITIONS - Patent application
... acetic acid, trichloroacetic acid, trifluoroacetic acid, and a mixture thereof. In one embodiment, the solvent is water. [0134] ... as ascorbic acid, benzoic acid, fumaric acid, citric acid, maleic acid, sebacic acid, sorbic acid, adipic acid, edetic acid, ... acetic acid, trichloroacetic acid, trifluoroacetic acid, and a mixture thereof. In one embodiment, the solvent is aqueous. In ... 0146]In one embodiment, the inorganic acid is phosphoric acid. In another embodiment, the inorganic acid is 6 N phosphoric acid ...
  http://www.patentsencyclopedia.com/app/20110008467
*  Expert in peptide synthesis
... acetic acid or 0.1% TFA (trifluoroacetic acid) to increase the solubility. Increase the concentration of acid stepwise if the ... The first solvent of choice is deionised water. However, solubilising peptides can reveal itself difficult, particularly in the ... In addition to the conventional proteogenic amino acids, we can incorporate special forms of these residues such as α- or β- ... Please note that these solvents may have a damaging effect on your experiments. For peptides with secondary structures, it may ...
  https://www.covalab.com/peptide-synthesis
*  Patent US5959099 - Protecting group for synthesizing oligonucleotide analogs - Google Patents
... acid halides and activated esters. Preferred activated acid equivalents of the formula R1 --COOH include trifluoroacetic ... Suitable solvents include hydrocarbons, halocarbons, ethers, amide solvents, dialkylsulfoxides. Examples of inert solvents ... 1 mixture of pyridine and acetic acid. The reaction is preferably conducted at a temperature of 5 to 30 C. Room temperature, i. ... such as m-chloroperbenzoic acid. The oxidation reaction is preferably conducted in an inert solvent. Preferred inert solvents ...
  http://www.google.com/patents/US5959099?dq=patent:+7360079
*  US7732627B2 - High-purity cycloaliphatic diepoxy compound and preparation process thereof - Google Patents
... epoxidizing the compound with an aliphatic percarboxylic acid containing substantially no water, carrying out desolvation, and ... such as formic acid, acetic acid, isobutyric acid, and trifluoroacetic acid; compounds derived from solvents used in the ... Examples of aliphatic percarboxylic acids for use herein include performic acid, peracetic acid, perisobutyric acid, and ... an acid catalyst, and an organic acid, extracting the percarboxylic acid with an organic solvent, and carrying out epoxidation ...
  https://patents.google.com/patent/US7732627
*  Spirocyclic Heterocycles Medicaments Containing Said Compounds, Use Thereof And Method For Their Production - Patent application
... acetic acid/water, tetrahydrofuran/water or 1,4-dioxane/water, in the presence of an acid such as trifluoroacetic acid, ... trifluoroacetic acid, hydrochloric acid or hydrobromic acid, optionally using a solvent such as 1,4-dioxane, isopropanol, ... acetic acid, fumaric acid, maleic acid, methanesulphonic acid, lactic acid, phosphoric acid, hydrochloric acid, sulphuric acid ... fumaric acid, succinic acid, benzoic acid, salicylic acid, mandelic acid, lactic acid, malonic acid, citric acid, L-malic acid ...
  http://www.patentsencyclopedia.com/app/20110046148
*  Patent US6281364 - Process for the preparation of 3-amino-2-oxo-pyrrolidines, novel ... - Google Patents
... trifluoroacetic acid ester, acetic acid hydroxysuccinimide ester, or of the halocarbonic esters, such as, for example, ... However, if the O-acylation is carried out in, as solvent, the carboxylic acid R4COOH corresponding to the reagent R4COZ used ... The acetic acid and the excess acetyl chloride are removed in vacuo, the residue is taken up in 30 ml of methyl isobutyl ketone ... 72 g (0.60 mol) of L-homoserine are added in portions to a solution of 500 ml of acetic acid and 500 ml of acetyl chloride ...
  http://www.google.com/patents/US6281364?dq=7222078