CAS: 79-04-9; Chloroacetyl Chloride

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CAS号79-11-8 氯乙酸 | CAS号463-51-4 乙烯酮 | CAS号75-44-5 光气 | CAS号98-07-7 三氯甲苯 | CAS号27843-27-2 1-Butene,2-chlo... | CAS号75-36-5 乙酰氯 | CAS号79-37-8 草酰氯 | CAS号541-88-8 氯乙酸酐 | CAS号110704-19-3 5-氯-2-(氯甲基)-1,3-苯并噻唑 | CAS号1115-24-8 N-氯乙酰基-DL-异亮氨酸 | CAS号108086-37-9 2-氯-n-(2-氯-5-硝基... | CAS号106700-04-3 2-chloro-N-(2-m... | CAS号109348-25-6 5-(chloromethyl... | CAS号107235-74-5 4-benzoyl-1-eth... | CAS号108441-34-5 2-chloro-N-[3-[... | CAS号109607-24-1 2-chloro-1-(4-m... | CAS号104246-27-7 2-氯-N-{4-[(1,3-... | CAS号111631-72-2 2-氯乙酰基-6,7-二甲氧基...

乙烯酮置于二氧化硫,氯体系中,化学反应生成 氯乙酰氯
参考文献:Notes-Chloroacetyl Chloride From Ketene And Chlorine
标题:Notes-Chloroacetyl Chloride From Ketene And Chlorine
摘要:
DOI:10.1021/jo01095A638

专利信息

专利号:US-2004058888-A1
优先权日:2000-01-13
标题:Methods for synthesis of alpha-d-gal (1~>3) gal-containing oligosaccharides
发明人：BORNAGHI LAURENT; DEKANY GYULA; DRINNAN NICHOLAS BARRY; PAPAGEORGIOU JOHN; WEST MICHAEL LEO
摘要:This invention relates to reagents and methods for synthesis of biologically active di- and tri-saccharides comprising α-D-Gal(1→3)-D-Gal. In particular the invention provides novel reagents, intermediates and processes for the solution or solid phase synthesis of α-D-galactopyranosyl-(1→3)-D-galactose, and derivatives thereof. In one preferred embodiments the invention provides a protected monosaccharide building block of general formula (II): in which R 3 is methoxy or methyl; R 1 is H, benzoyl, pivaloyl, 4-chlorobenzoyl, acetyl, chloroacetyl, levulinoyl, 4-methylbenzoyl, benzyl, 3,4-methylenedioxybenzyl, 4-methoxybenzyl, 4-chlorobenzyl, 4-acetamidobenzyl, or 4-azidobenzyl; and R 2 is H, Fmoc, benzoyl, pivaloyl, 4-chlorobenzoyl, acetyl, chloroacetyl, levulinoyl, 4-methylbenzoyl, benzyl, 3,4-methylenedioxybenzyl, 4-methoxybenzyl, 4 -chlorobenzyl, 4-acetamidobenzyl, or 4-azidobenzyl.

专利号:WO-2025134140-A1
优先权日:2023-12-19
标题:A method for the synthesis of substituted anthranilic amide compounds, intermediates and salts thereof
发明人：MALVIYA NITIN JAIKANT; SINGH VIPENDER; SHAH JIGARKUMAR HARKISHANDAS; KALE MANOJ GANPAT; KAVITAKE SANTOSH GIRIDHAR; BORHADE AJIT SAHEBRAO; KLAUSENER ALEXANDER G M
权利人:PI INDUSTRIES LTD
摘要:The present invention discloses a method for the synthesis of compounds of formula (I) or a salt thereof, wherein, R is selected from hydrogen, halogen, cyano, C1-C12 alkyl, C1-C12 haloalkyl, C1-C12 alkoxy, C1-C12 haloalkoxy, or C3-C8 cycloalkyl; R4 is selected from hydrogen, C1-C12 alkyl, C2-C12 alkenyl, C2-C12 alkynyl, C1-C12 haloalkyl, C2-C12 haloalkenyl, C2-C12 haloalkynyl, C1-C12 alkoxy, C1-C12 haloalkoxy, C3-C8 cycloalkyl, or C3-C8 cycloalkyl-C1-C10 alkyl; and n represents an integer selected from 0-4. The method further comprises the synthesis of an anthranilic diamide compound of formula (A).

专利号:US-2023339906-A1
优先权日:2020-09-26
标 题 :A process for the synthesis of anthranilic acid/amide compounds and intermediates thereof
发明人：SYTHANA SURESH KUMAR; NAGLE PRAMOD; KUMAR VIJAY KUMAR; KANAWADE SHRIKANT BHAUSAHEB; CHANDRE TUKARAM NIVRUTTI; THUBE VINAYAK KISAN; PATIL PRADEEP PRAKASH; SHUKLA SHALINI; SHENDE KANTILAL BALU; PATRA PRANAB KUMAR; KLAUSENER ALEXANDER G M
权利人:PI INDUSTRIES LTD; PI INDUSTRIES LTD
摘要:The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof,wherein, R, R1, R2, R3, R4a and R4b are as defined in the detailed description. The process further comprises the synthesis of an anthranilic diamide compound of formula (I).

专利号:WO-2024036115-A1
优先权日:2022-08-08
标题:Continuous flow synthesis of lorazepam
发明人：THOMPSON DAVID; BIYANI SHRUTI; HYUN SEOK-HEE; MCGUIRE MICHAEL
权利人:PURDUE RESEARCH FOUNDATION; CONTINUITY PHARMA LLC
摘要:A method for synthesis of Lorazepam in a continuous flow using continuous flow reactor, in which method comprises five steps including N-acylation, diazepine ring closure, imine N- oxidation, Polonovski-type rearrangement, and ester hydrolysis; a green reagent comprising a peroxide reagent and rhenium oxide catalyst for N-oxidation of delorazepam; and an ammonium source combination for the synthesis of delorazepam.

专利号:EP-2644590-A1
优先权日:2012-03-30
标 题:Synthesis of 2-(3,4-difluorophenyl)cyclopropanamine derivatives and salts
权利人:LEK PHARMACEUTICALS
摘要:The present invention relates to the field of organic synthesis and describes the synthesis of specific intermediates suitable for the preparation of triazolopyrimidine compounds such as ticagrelor.

专利号:US-9440940-B2
优先权日:2014-03-18
标 题:Methods for synthesis of psoralen derivatives
发明人：REFOUVELET BERNARD
权利人:MACOPHARMA S A S
摘要:Methods for the synthesis of psoralen derivatives are provided. In one embodiment, the method may include acetylating a compound of formula (II) to form a compound of formula (III), subjecting the compound of formula (III) to a Fries rearrangement to form a compound of formula (IV), and subjecting the compound of formula (IV) to cyclization, reduction and aromatization, to form a compound having the following formula (I):