专利号:US-8742028-B2 优先权日:2009-05-06 标 题:Solid support for Fmoc-solid phase synthesis of peptide acids 发明人:SRIVASTAVA KRIPA S; DAVIS MATTHEW R 权利人:SRIVASTAVA KRIPA S; DAVIS MATTHEW R; MALLINCKRODT LLC 摘要:The present invention provides a solid support for Fmoc-solid phase synthesis of peptides. In particular, the solid supports of the invention may be utilized to produce peptide acids.
专利号:WO-2023095077-A1 优先权日:2021-11-26 标题 :A process for the treatment of tail gases 发明人:LODHA DHANANJAY MAHENDRA 权利人:SHREE SULPHURICS PVT LTD 摘要:The present disclosure relates to a process for the treatment of tail gases. The process of the present disclosure is simple and environmentally friendly. The process of the present disclosure produces chlorosulfonic acid, which is a value-added reagent used in the synthesis of alkyl sulphates detergents, saccharin and the like. Further, the process of the present disclosure produces sulfuryl chloride, which is an important value added chlorinating agent in the organic synthesis/reactions.
专利号:US-6214987-B1 优先权日:1994-09-02 标 题 :Compositions for enzyme catalyzed template-independent formation of phosphodiester bonds using protected nucleotides 发明人:HIATT ANDREW C; ROSE FLOYD 权利人:HIATT ANDREW C; ROSE FLOYD D 摘要:A method for the stepwise creation of phosphodiester bonds between desired nucleosides resulting in the synthesis of polynucleotides having a predetermined nucleotide sequence by preparing an initiation substrate containing a free and unmodified 3'-hydroxyl group; attaching a mononucleotide selected according to the order of the predetermined nucleotide sequence to the 3'-hydroxyl of the initiating substrate in a solution containing a catalytic amount of an enzyme capable of catalyzing the 5' to 3' phosphodiester linkage of the 5'-phosphate of the mononucleotide to the 3'-hydroxyl of the initiating substrate, wherein the mononucleotide contains a protected 3'-hydroxyl group, whereby the protected mononucleotide is covalently linked to the initiating substrate and further additions are hindered by the 3'-hydroxyl protecting group. Methods in which a mononucleotide immobilized on a solid support is added to a free polynucleotide chain are also disclosed.
专利号:US-5872244-A 优先权日:1994-09-02 标 题:3' protected nucleotides for enzyme catalyzed template-independent creation of phosphodiester bonds 发明人:HIATT ANDREW C; ROSE FLOYD 权利人:HIATT ANDREW C; ROSE FLOYD D 摘要:A method for the stepwise creation of phosphodiester bonds between desired nucleosides resulting in the synthesis of polynucleotides having a predetermined nucleotide sequence by preparing an initiation substrate containing a free and unmodified 3'-hydroxyl group; attaching a mononucleotide selected according to the order of the predetermined nucleotide sequence to the 3'-hydroxyl of the initiating substrate in a solution containing a catalytic amount of an enzyme capable of catalyzing the 5' to 3' phosphodiester linkage of the 5'-phosphate of the mononucleotide to the 3'-hydroxyl of the initiating substrate, wherein the mononucleotide contains a protected 3'-hydroxyl group, whereby the protected mononucleotide is covalently linked to the initiating substrate and further additions are hindered by the 3'-hydroxyl protecting group. Methods in which a mononucleotide immobilized on a solid support is added to a free polynucleotide chain are also disclosed.
专利号:US-2004110228-A1 优先权日:2002-04-01 标 题:Combinatorial organic synthesis of unique biologically active compounds 发明人:MCALPINE SHELLI R; TAYLOR RACHEL E; BOLLA MEGAN L; SEGALL ANCA M 摘要:The invention provides a method for making a combinatorial library of cyclic compounds, such as Holliday junction-trapping compounds, comprising the steps of (a) obtaining a plurality of trimers according to the generic structure X 1- X 2- X 3 , wherein X 1 , X 2 and X 3 can be independently any naturally or nonnaturally occurring amino acids or peptidomimetics thereof; (b) optionally coupling a spacer S to the trimer at either end; (c) cyclizing two trimers or trimer-spacer conjugates in a head-to-tail orientation; thereby obtaining a combinatorial library of compounds, wherein the library does not include an unmodifed or naturally occurring Holliday Junction-trapping compounds. The invention additionally provides methods macrocyclic compounds that are synergimycin derivatives.
专利号:US-5354772-A 优先权日:1982-11-22 标 题:Indole analogs of mevalonolactone and derivatives thereof 发明人:KATHAWALA FAIZULLA G 权利人:SANDOZ PHARMACEUTICALS CORP 摘要:Compounds of the formula wherein one of R and Ro is and the other is primary or secondary C1-6alkyl not containing an asymmetric carbon atom, C3-6cycloalkyl or phenyl-(CH2)m-, wherein R4 is hydrogen, C1-3alkyl, n-butyl, i-butyl, t-butyl, C1-3alkoxy, n-butoxy, i-butoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R5 is hydrogen, C1-3alkyl, C1-3alkoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R5a is hydrogen, C1-2alkyl, C1-2alkoxy, fluoro or chloro, and m is 1, 2 or 3, with the provisos that both R5 and R5a must be hydrogen when R4 is hydrogen, R5a must be hydrogen when R5 is hydrogen, not more than one of R4 and R5 is trifluoromethyl, not more than one of R4 and R5 is phenoxy, and not more than one of R4 and R5 is benzyloxy, R2 is hydrogen, C1-3alkyl, n-butyl, i-butyl, t-butyl, C3-6cycloalkyl, C1-3alkoxy, n-butoxy, i-butoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R3 is hydrogen, C1-3alkyl, C1-3alkoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, with the provisos that R3 must be hydrogen when R2 is hydrogen, not more than one of R2 and R3 is trifluoromethyl, not more than one of R2 and R3 is phenoxy, and not more than one of R2 and R3 is benzyloxy, X is -(CH2)n- or -CH=CH-, wherein n is 0, 1, 2 or 3, and Z is wherein R6 is hydrogen or C1-3alkyl, and R7 is hydrogen, R7b or M, wherein R7b is a physiologically acceptable and hydrolyzable ester group, and M is a pharmaceutically acceptable cation, the use thereof for inhibiting cholesterol biosynthesis and lowering the blood cholesterol level, and therefore, in the treatment of hyperliopoproteinemia and atherosclerosis, pharmaceutical compositions comprising such compounds and processes for and intermediates in the synthesis of such compounds.
参考标题:An Expedient Route For The Reduction Of Carboxylic Acids To Alcohols Employing 1-Propanephosphonic Acid Cyclic Anhydride As Acid Activator 作者:G. Nagendra,C. Madhu,T.M. Vishwanatha,Vommina V. Sureshbabu |发布日期:2012.9 摘要:Method For The Synthesis Of Alcohols From The Corresponding Carboxylic Acids Is Described. Activation Of Carboxylic Acid With 1-Propanephosphonic Acid Cyclic Anhydride (T3P) And Subsequent Reduction Using Nabh4 Yield The Alcohol In Excellent Yields With Good Purity. Reduction Of Several Alkyl/aryl Carboxylic Acids And Nα-Protected Amino Acids/peptide Acids As Well As Nβ-Protected Amino Acids Was Successfully
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