CAS: 1659-31-0; Dipyridin-2-Yl Carbonate

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96989-50-3 1628-89-3 6231-18-1

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CAS号142-08-5 2-羟基吡啶 | CAS号32315-10-9 三光气 | CAS号75-44-5 光气 | CAS号124-07-2 辛酸 | CAS号930-70-1 1H-pyridin-2-one | CAS号142-08-5 2-羟基吡啶 | CAS号93-89-0 苯甲酸乙酯 | CAS号59-49-4 2-苯并噁唑酮 | CAS号33069-62-4 紫杉醇 | CAS号96-49-1 碳酸乙烯酯 | CAS号26654-39-7 4,4-二甲基恶唑-2-酮 | CAS号7693-77-8 5-苯基-2-恶唑烷酮 | CAS号3592-12-9 5,5-二甲-1,3-二恶烷-2-酮 | CAS号108-32-7 碳酸丙烯酯

📜辛酸置于4-二甲氨基吡啶 碳酸二(2-吡啶)酯,三乙胺体系中,用 二氯甲烷,甲苯 用作溶剂,化学反应 7.0H,反应生成碳酸二(2-吡啶)酯
参考文献:Di-2-Pyridyl Carbonate: A New Efficient Coupling Agent For The Direct Esterification Of Carboxylic Acids
标题:Di-2-Pyridyl Carbonate: A New Efficient Coupling Agent For The Direct Esterification Of Carboxylic Acids
摘要:
Doi:10.1016/s0040-4039(01)91265-1

专利信息

专利号:EP-1575929-B1
优先权日:2002-12-19
标 题 :The method for production of semi-finished products useful in synthesis of paclitaxel
发明人：KOLESINSKA BEATA; KAMINSKI J ZBIGNIEW; KAMINSKA E JANINA
权利人:AGROPHARM S A
摘要:The method for production of the semi-finished products useful in synthesis of Paclitaxel with the generalized formula (2), characterized in that phenyl isoserine derivatives, or mixtures of their epimerides with various configurations on the carbon 2' or their salts, are treated with triazine type condensing agent, possible in the presence of tertiary amine, in medium of anhydrous organic solvent, and the triazine esters produced are treated with Baccatin III, in medium of anhydrous organic solvent, possible in the presence of a catalyst.

专利号:US-8476437-B2
优先权日:2008-08-27
标题:Process for preparation of (2R)-4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro [1,2,4]-triazolo[4,3-a]pyrazin-7(8H)-yl]-l-(2,4,5-trifluorophenyl)butan-2-amine and new impurities in preparation thereof
发明人：KOTHARI HIMANSHU MADHUSUDAN; DAVE MAYANK GHANSHYAMBHAI; PANDEY BIPIN; SHUKLA BHAVIN SHRIPRASAD
权利人:KOTHARI HIMANSHU MADHUSUDAN; DAVE MAYANK GHANSHYAMBHAI; PANDEY BIPIN; SHUKLA BHAVIN SHRIPRASAD; CADILA HEALTHCARE LTD
摘要:The present invention relates to synthesis of β-amino acid derivatives of formula (I) and its salts of formula (Ia) by a novel process. The process comprises the reduction of a protected or unprotected prochiral β-amino acrylic acid or derivative there of, by using borane containing reducing agents at atmospheric pressure. The resulting racemic β-amino compound is resolved to a pure stereoisomer of formula (I), specifically to (2R)-4-oxo-4-[3-Ctrifluoromethyl)-5,6-dihydrol[1,2,4]triazolo[4,3-alpyrazin-7(8H)-yl]-1-(2,4,4-trifluorophenyl)butan-2-amine. In an embodiment the invention disclosed polymorphic forms of formula (I), phosphate salt of formula (I) and also a Dibenzoyl-L-tartaric acid salt of formula (I).

专利号:US-8431745-B2
优先权日:2006-03-29
标题 :Process for preparation of HIV protease inhibitors
发明人：CRAWFORD KENNETH R; DOWDY ERIC D; GUTIERREZ ARNOLD; POLNIASZEK RICHARD P; YU RICHARD HUNG CHIU
权利人:CRAWFORD KENNETH R; DOWDY ERIC D; GUTIERREZ ARNOLD; POLNIASZEK RICHARD P; YU RICHARD HUNG CHIU; GILEAD SCIENCES INC
摘要:A process for the synthesis of bisfuran intermediates useful for preparing antiviral HIV protease inhibitor compounds is hereby disclosed.

专利号:WO-0212216-A1
优先权日:2000-08-08
标 题 :An improved process for the preparation of docetaxel
发明人：DUVVURI SUBRAHMANYAM; PURANIK RAMACHANDRA
权利人:REDDY RESEARCH FOUNDATION; DUVVURI SUBRAHMANYAM; PURANIK RAMACHANDRA
摘要:The present invention relates to an improved process for the preparation of antitumor drug 'Docetaxel'. The present invention more particulary relates to a short synthesis of docetaxel following a semi-synthetic approach comprising C-13 esterification of a suitably protected 10-deacetylbaccatin III with a suitably protected side chain acid and subsequent deprotections to produce docetaxel. The process described in the present invention comprises (i) reacting 10-deacetylbaccatin III with a heterocyclic compound to produce a novel 7,10-diprotected 10-deacetylbaccatin III (ii) esterifying the C-13 hydroxyl group in the 7,10-diprotected 10-deacetylbaccatin III compound obtained in step (i) with an oxazolidine side chain acid to obtain a novel C-13 coupled adduct (iii) deprotecting the protecting groups at C-7, C-10 & oxazolidine group an intermediate amino alcohol (iv) derivatising the free amine group in the amino alcohol obtained in the step (iii) with di-tert. butyl dicarbonate to get the desired 'Docetaxel' compound.

专利号:WO-2015087228-A1
优先权日:2013-12-10
标 题 :Process for the preparation of cabazitaxel and its solvates
发明人：SETHI MADHURESH KUMAR; MAHAJAN SANJAY; MARA BHAIRAIAH; VEERA UPENDRANATH
权利人:MYLAN LAB LTD
摘要:The present disclosure provides anisole and benzyl alcohol solvates of cabazitaxel and methods of their production. The solvates may be characterized by powder x-ray diffraction patterns. The present disclosure also provides methods for the synthesis of cabazitaxel.

专利号:US-11186836-B2
优先权日:2016-06-16
标 题 :Oligonucleotide directed and recorded combinatorial synthesis of encoded probe molecules
发明人：WATTS RICHARD EDWARD
权利人:HAYSTACK SCIENCES CORP
摘要:The present disclosure relates to multifunctional molecules, including molecules according to formula (I):n n([(B 1 ) M -D-L 1 ] Y -H 1 ) O -G-(H 2 -[L 2 -E-(B 2 ) K ] W ) P ,   (I)n nwherein G, H 1 , H 2 , D, E, B 1 , B 2 , M, K, L 1 , L 2 , O, P, Y, and W are defined herein. The present disclosure also relates to methods of preparing and using such multifunctional molecules to identify encoded molecules capable of binding target molecules.