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1,1-Difluoroacetone CAS:431-05-0
1,1-Difluoroacetone ndi mankhwala achilengedwe omwe amadziwika chifukwa cha kusinthasintha kwake komanso fungo lake lopweteka. Ali ndi formula ya mankhwala C3H4F2O ndipo amachokera ku acetone posintha maatomu awiri a haidrojeni ndi maatomu a fluorine (-F). Kusintha kumeneku kumapatsa 1,1-difluoroacetone mphamvu zinazake, zomwe zimapangitsa kuti ikhale yothandiza m'mafakitale osiyanasiyana. Mankhwalawa amalemekezedwa kwambiri chifukwa cha ntchito yake yoyambirira popanga mankhwala, mankhwala a agrochemicals, ndi mankhwala apadera chifukwa cha momwe amachitira zinthu komanso kukhazikika kwake.
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1,3-Difluoroacetone CAS:453-14-5
1,3-Difluoroacetone ndi mankhwala ofunikira kwambiri omwe amadziwika ndi kapangidwe kake kapadera ka mamolekyulu komanso ntchito zosiyanasiyana m'mafakitale osiyanasiyana. Ndi njira ya mankhwala C3H4F2O, imadziwika ndi kupezeka kwa ma atomu awiri a fluorine omwe amalumikizidwa ku gulu la ketone functional. Mankhwalawa amapangidwa kudzera mu fluorination ya acetone, zomwe zimapangitsa kuti madzi osasunthika azikhala ndi mphamvu zapadera za mankhwala. 1,3-Difluoroacetone imayamikiridwa chifukwa cha ntchito yake ngati choyambira mu kapangidwe ka organic komanso momwe ingagwiritsidwire ntchito mu mankhwala, mankhwala a agrochemicals, ndi sayansi ya zinthu chifukwa cha momwe imagwirira ntchito komanso mawonekedwe ake enieni a mamolekyulu.
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2,2,2-TRIFLUOROETHYL TRIFLUOROACETATE CAS:407-38-5
2,2,2-Trifluoroethyl trifluoroacetate (TFETA) ndi mankhwala odziwika bwino omwe amadziwika chifukwa cha kapangidwe kake kapadera ka mamolekyulu komanso ntchito zake zosiyanasiyana m'magawo osiyanasiyana amafakitale. Ndi njira ya mankhwala C4H3F6O2, TFETA imadziwika ndi kupezeka kwa trifluoroethyl ndi trifluoroacetate. Mankhwalawa amapangidwa kudzera mu esterization ya trifluoroacetic acid ndi 2,2,2-trifluoroethanol, zomwe zimapangitsa kuti madzi opanda mtundu azikhala otentha kwambiri komanso okhazikika kwambiri. TFETA imayamikiridwa chifukwa cha ntchito yake ngati chomangira cha fluorine mu kapangidwe ka organic, makamaka popanga mankhwala apadera, mankhwala ophatikizana, ndi zinthu zomwe zimafuna kukana kwa mankhwala komanso kukhazikika.
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Calcium trifluoromethansulphonate CAS: 55120-75-7
Calcium trifluoromethanesulfonate, yomwe imatchedwanso trifluoromethanesulfonic acid. Mchere wa calcium, ndi mankhwala ofunikira omwe amadziwika chifukwa cha mawonekedwe ake olimba a kristalo komanso mphamvu zake zapadera za mankhwala. Ndi formula ya mankhwala CF3SO3Ca, imachokera ku trifluoromethanesulfonic acid kudzera mu kuletsa ndi calcium hydroxide. Kusintha kumeneku kumapatsa calcium trifluoromethanesulfonate mawonekedwe osiyana omwe amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Mankhwalawa amadziwika makamaka chifukwa cha kugwira ntchito kwake ngati chothandizira pakupanga kwachilengedwe, kugwiritsa ntchito kusungunuka kwake mu zinthu zosungunuka za polar komanso kukhazikika pansi pa zovuta.
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AMMONIUM TRIFLUOROACETATE CAS:3336-58-1
Ammonium trifluoroacetate (ATA) ndi mankhwala odziwika bwino omwe amadziwika ndi kapangidwe kake ka molekyulu komanso ntchito zake zosiyanasiyana m'mafakitale osiyanasiyana. Ndi njira ya mankhwala ya CF3COONH4, ATA imakhala ndi ammonium ion (NH4+) yolumikizidwa ndi anion ya trifluoroacetate (CF3COO-). Mankhwalawa amapangidwa kudzera mu reaction pakati pa trifluoroacetic acid ndi ammonium hydroxide, zomwe zimapangitsa kuti crystalline solid yosungunuka m'madzi kutentha kwa chipinda. ATA imayamikiridwa chifukwa cha ntchito yake ngati precursor mu organic synthesis, catalyst mu chemical reactions, komanso ngati chowonjezera mu ma industrial processes osiyanasiyana chifukwa cha kukhazikika kwake, kusungunuka, komanso mawonekedwe apadera a mankhwala.
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hexafluoroisopropyl methyl ether CAS:13171-18-1
Hexafluoroisopropyl methyl ether, yomwe imadziwikanso kuti HFIPME, ndi chinthu chofunikira kwambiri chachilengedwe chomwe chimagwiritsidwa ntchito chifukwa cha zinthu zake zapadera zamakemikolo ndi ntchito zake m'mafakitale osiyanasiyana. Ili ndi formula ya mankhwala C4H5F6O ndipo imadziwika ndi kusinthasintha kwake komanso kutentha kochepa. Chomwe chimagwiritsidwa ntchitochi chimachokera ku isopropyl methyl ether mwa kusintha maatomu a haidrojeni ndi maatomu a fluorine (-F), motero chimawonjezera kukhazikika kwake komanso kuchitapo kanthu mu njira zamakemikolo. Hexafluoroisopropyl methyl ether imapeza ntchito ngati chosungunulira, makamaka mu kapangidwe ka organic ndi polymer chemistry, chifukwa cha kuthekera kwake kosungunulira komanso kugwirizana ndi zinthu zosiyanasiyana za organic.
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(R)-(+)-1-(1-Naphthyl)ethylamine CAS:3886-70-2
(R)-(+)-1-(1-Naphthyl)ethylamine ndi chinthu chachilengedwe cha chiral chomwe nthawi zambiri chimafupikitsidwa kuti (R) -nea. Kapangidwe kake ka molekyulu kamakhala ndi gulu la naphthalene ndi gulu la ethylamine. Ndi chinthu chokhala ndi stereoisomer chomwe chimagwiritsidwa ntchito kwambiri ngati chiral inducer kapena catalyst mu kapangidwe ka organic.
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(S)-1-Boc-3-hydroxypiperidine CAS:143900-44-1
(S)-1-Boc-3-hydroxypiperidine ndi mankhwala omwe ali ndi formula ya molekyulu C12H23NO4. Ndi chinthu chochokera ku piperidine chomwe chili ndi gulu loteteza la tert-butoxycarbonyl (Boc) ndi gulu la hydroxy.
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5-Bromo-2-chlorobenzoic acid CAS:21739-92-4
5-Bromo-2-chlorobenzoic acid, yomwe imadziwikanso kuti 2-bromo-5-chlorobenzoic acid, ndi mankhwala omwe ali ndi formula ya molekyulu C7H4BrClO2. Ndi yochokera ku benzoic acid, yomwe ili ndi maatomu a bromine ndi chlorine.
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1-(4-Amino-2-methylbenzoyl)-7-chloro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one CAS:137977-97-0
1-(4-Amino-2-methylbenzoyl)-7-chloro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one ndi mankhwala omwe ali ndi formula ya molekyulu C21H22ClN2O2. Ili m'gulu la benzazepines ndipo ili ndi gulu la benzoyl, atomu ya chlorine, ndi gulu la amino-methyl mu kapangidwe kake.
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3-(3′-TRIFLUOROMETHYL PHENYL) PROPANOL CAS:78573-45-2
3-(3-trifluoromethylphenyl)propionic acid (TFMPA) ndi mankhwala achilengedwe okhala ndi fomula ya C10H9F3O2. Ndi chinthu choyera cholimba, chomwe chimagwiritsidwa ntchito kwambiri ngati mankhwala osakaniza komanso zopangira zinthu zopangira zinthu zachilengedwe. TFMPA, yomwe imatha kupangidwa ndi momwe aromatic carboxylic acid ndi hydrofluoric acid zimagwirira ntchito, ndi mankhwala osakaniza wamba.
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(2R,3S/2S,3R)-3-(4-Chloro-5-fluoro-6-pyrimidinyl)-2-(2,4-difluorophenyl)butan-2-ol hydrochloride CAS:188416-35-5
(2R,3S/2S,3R)-3-(4-Chloro-5-fluoro-6-pyrimidinyl)-2-(2,4-difluorophenyl)butan-2-ol hydrochloride ndi mankhwala okhala ndi kapangidwe kovuta komwe kali ndi mphete ya pyrimidine, gulu la difluorophenyl, ndi butanol, zomwe nthawi zambiri zimagwiritsidwa ntchito pofufuza zamankhwala ndi kupanga mankhwala.
