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1,3,5-Trifluorobenzene CAS:372-38-3
1,3,5-Trifluorobenzene ndi mankhwala onunkhira okhala ndi fluorine omwe amadziwika ndi zinthu zitatu zolowa m'malo mwa fluorine zomwe zili pamalo a 1, 3, ndi 5 pa mphete ya benzene. Mankhwalawa ndi ofunikira kwambiri mu organic chemistry chifukwa cha zinthu zapadera zomwe maatomu a fluorine amapereka, kuphatikizapo kukhazikika kwa mankhwala komanso kusintha kwa polarity. Amathandiza kwambiri popanga mankhwala, mankhwala a agrochemicals, ndi zinthu zapamwamba. Kupezeka kwa fluorine kumakhudzanso kuyanjana kwa mamolekyulu, zomwe zimapangitsa 1,3,5-trifluorobenzene kukhala yofunika kwambiri pa ntchito zosiyanasiyana zofufuza, makamaka m'malo omwe akuyang'ana kwambiri pakupeza mankhwala ndi sayansi ya zinthu.
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2,4-Difluorobenzylmine CAS:72235-52-0
2,4-Difluorobenzylmine ndi amine wonunkhira wokhala ndi maatomu awiri a fluorine omwe ali pa mphete ya benzene pamalo achiwiri ndi anayi. Chomera ichi chimadziwika chifukwa cha mphamvu zake zapadera zomwe zimaperekedwa ndi zinthu zolowa m'malo mwa fluorine, zomwe zimapangitsa kuti fluoride ikhale yolimba komanso kuti igwire bwino ntchito. Monga chinthu chomangira chosiyanasiyana popanga zinthu zachilengedwe, 2,4-difluorobenzylmine imagwira ntchito yofunika kwambiri pakupanga mankhwala, mankhwala a agrochemicals, ndi zipangizo zamakono. Kutha kwake kutenga nawo mbali pazochitika zosiyanasiyana za mankhwala kumapangitsa kuti ikhale yofunika kwambiri mu mankhwala, komwe imafufuzidwa kuti igwiritsidwe ntchito pochiza.
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(S)-(+)-3-Chloro-1,2-propanediol CAS:60827-45-4
(S)-(+)-3-Chloro-1,2-propanediol ndi mankhwala achilengedwe a chiral omwe amadziwika ndi magulu ake awiri a hydroxyl (-OH) ndi atomu ya chlorine. Mankhwalawa amagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe, makamaka m'mafakitale opanga mankhwala ndi agrochemical. Kusinthasintha kwapadera kwa (S)-(+)-enantiomer kumawonjezera reactivity yake ndi makhalidwe ake achilengedwe, zomwe zimapangitsa kuti ikhale yofunikira popanga zinthu zopangidwa ndi enantiomeric. Kafukufuku akupitiliza kufufuza momwe amagwiritsidwira ntchito, kuyambira pakupanga mankhwala mpaka zinthu zogwira ntchito, kugogomezera kufunika kwake m'malo ophunzirira komanso m'mafakitale.
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(R)-(-)-3-Chloro-1,2-propanediol CAS:57090-45-6
(R)-(-)-3-Chloro-1,2-propanediol ndi mankhwala achilengedwe a chiral omwe amagwira ntchito ngati gawo lofunikira kwambiri popanga mankhwala ndi mankhwala a agrochemicals. Kapangidwe kake kapadera kali ndi magulu awiri a hydroxyl ndi atomu ya chlorine, zomwe zimapangitsa kuti ikhale chinthu chomangira chosinthika cha mankhwala osiyanasiyana. Stereochemistry yeniyeni ya (R)-(-)-enantiomer imathandizira kuti igwire bwino ntchito komanso kuti igwire ntchito zamoyo, zomwe zimathandiza kuti pakhale zinthu zopangidwa ndi enantiomeri. Kafukufuku wopitilira akuyang'ana kwambiri momwe amagwiritsidwira ntchito popanga mankhwala komanso ngati njira yoyambira mankhwala ena ogwira ntchito, zomwe zikuwonetsa kufunika kwake mu chemistry yamankhwala komanso sayansi yazinthu.
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(S)- (+)-Oxiran-2-ylmethyl- 3-nitrobenzenesulfonate CAS:115314-14-2
(S)-(+)-Oxiran-2-ylmethyl-3-nitrobenzenesulfonate ndi chinthu cha chiral epoxide chokhala ndi mphete ya oxirane ndi gulu la nitrobenzenesulfonate. Chinthuchi chapeza chidwi pa kapangidwe ka organic chifukwa cha reactivity yake yapadera, makamaka chifukwa cha mphete ya epoxide yokhala ndi ziwalo zitatu, yomwe imakhudzidwa kwambiri ndi kuukira kwa nucleophilic. Stereochemistry yeniyeni ya enantiomer ya (S)-(+) imapereka ubwino wapadera pakupanga kosagwirizana, zomwe zimathandiza kupanga mankhwala oyera a enantiomeri. Kafukufuku akupitiliza kufufuza momwe amagwiritsidwira ntchito mu chemistry yamankhwala ndi sayansi yazinthu, kuwonetsa kuthekera kwake ngati cholumikizira chosinthika popanga mankhwala ndi mankhwala abwino.
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(S)-(+)-Epichlorohydrin CAS:67843-74-7
(S)-(+)-Epichlorohydrin ndi chinthu chachilengedwe cha chiral komanso chinthu chofunikira kwambiri popanga zinthu zachilengedwe, chomwe chimadziwika ndi ntchito zake zosiyanasiyana popanga ma epoxy resins, mankhwala, ndi mankhwala a agrochemicals. Chodziwika ndi mphete yake ya epoxide yokhala ndi ziwalo zitatu ndi atomu ya chlorine, chinthuchi chimasonyeza kusintha kwakukulu chifukwa cha mphamvu yake yofanana ndi magetsi. Mtundu woyera wa enantiomeri, (S)-(+)-epichlorohydrin, ndi wofunika kwambiri pakupanga zinthu zopanda mawonekedwe, zomwe zimathandiza kuti zinthu zolemera za enantiomeri zipangidwe. Kafukufuku akupitiliza kufufuza momwe zimagwirira ntchito komanso njira zake, zomwe zimathandiza kuti zinthu zamakampani komanso zamankhwala zipite patsogolo.
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2,4,5-Trifluorobenzyl alcohol CAS:144284-25-3
Mowa wa 2,4,5-Trifluorobenzyl ndi mankhwala onunkhira okhala ndi fluorine omwe amagwiritsidwa ntchito kwambiri mu mankhwala ndi mankhwala a agrochemicals. Kupezeka kwa maatomu atatu a fluorine pamalo a 2, 4, ndi 5 pa mphete ya benzene kumawonjezera kukhazikika kwa mankhwala a mankhwalawa komanso kuchuluka kwa lipophilicity, zomwe zimapangitsa kuti ikhale chinthu chofunikira kwambiri pakupanga zinthu zachilengedwe. Makhalidwe ake apadera amalola kusintha komwe kungayambitse chitukuko cha mankhwala atsopano. Pamene kafukufuku wa mankhwala okhala ndi fluorine akupitiliza kukula, mowa wa 2,4,5-trifluorobenzyl ukufufuzidwa kuti upeze mphamvu zake pakupeza mankhwala ndi sayansi ya zinthu, zomwe zikuwonetsa kufunika kwake mu chemistry yamakono.
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(S)-(-)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane CAS:60456-22-6
(S)-(-)-4-Chloromethyl-2,2-dimethyl-1,3-dioxolane ndi chinthu cha chiral chokhala ndi kapangidwe kapadera ka dioxolane komwe kali ndi gulu la chloromethyl komanso zinthu ziwiri zolowa m'malo mwa methyl. Chinthuchi chakopa chidwi m'munda wa kapangidwe ka organic chifukwa chogwiritsidwa ntchito ngati chothandizira pakukonzekera mankhwala osiyanasiyana ndi mankhwala abwino. Stereochemistry yeniyeni ya (S)-(-) enantiomer imatha kukhudza kwambiri reactivity yake ndi kusankha kwake mu zochita za mankhwala, zomwe zimapangitsa kuti ikhale yofunikira pakupanga kosagwirizana. Kafukufuku wopitilira akufuna kufufuza momwe amagwiritsidwira ntchito ndi momwe amachitira, kuwonetsa kufunika kwake mu sayansi ya zinthu ndi mankhwala.
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2,5-Dibromopyrimidine CAS:32779-37-6
2,5-Dibromopyrimidine ndi halogenated pyrimidine derivative yomwe ili ndi tanthauzo lalikulu mu kapangidwe ka organic ndi mankhwala. Chomerachi chili ndi maatomu awiri a bromine omwe amamangiriridwa ku malo a 2 ndi 5 a mphete ya pyrimidine, zomwe zimapangitsa kuti igwire bwino ntchito komanso ikhale yosinthasintha. Fomula yake ya molekyulu ndi C4H2Br2N2, ndipo imagwira ntchito yofunika kwambiri popanga mankhwala osiyanasiyana, kuphatikizapo mankhwala ndi mankhwala a agrochemicals. Kupezeka kwa bromine kumawonjezera mphamvu zamagetsi, zomwe zimapangitsa 2,5-dibromopyrimidine kukhala chinthu chofunikira kwambiri popanga mamolekyu ovuta mu mankhwala ndi sayansi ya zinthu.
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(R)-(-)-Glycidyl butyrate CAS:60456-26-0
(R)-(-)-Glycidyl butyrate ndi chiral epoxy compound yomwe imadziwika ndi kukhalapo kwa gulu la epoxide ndi butyrate ester. Imagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe, makamaka pakupanga mankhwala, mankhwala a agrochemicals, ndi ma polima apadera. Kapangidwe kake kapadera ka mankhwalawa kamalola kusintha kwa mankhwala osiyanasiyana, zomwe zimapangitsa kuti ikhale yofunikira pa ntchito zosiyanasiyana. Stereochemistry yeniyeni ya (R)-(-) enantiomer imatha kusintha momwe imagwirira ntchito komanso momwe imagwirira ntchito, kuwonetsa kufunika kwake mu kapangidwe kosagwirizana ndi sayansi ya zinthu. Kafukufuku akupitiliza kufufuza momwe amagwiritsidwira ntchito komanso kusintha kwake m'magawo osiyanasiyana.
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DL-4-HYDROXYPHENYLGLYCINE CAS:938-97-6
DL-4-Hydroxyphenylglycine ndi chinthu chochokera ku chiral amino acid chomwe chimadziwika ndi kukhalapo kwa gulu la hydroxyl pa mphete ya phenyl yolumikizidwa ku msana wa glycine. Ndi formula ya molekyulu C9H11NO3, imapezeka ngati chisakanizo cha racemic cha ma D- ndi L-enantiomers ake. Chomerachi chakopa chidwi cha mankhwala ndi mankhwala chifukwa cha ntchito zake zamoyo, makamaka posintha machitidwe a neurotransmitter. Monga chomangira chosiyanasiyana, DL-4-hydroxyphenylglycine imagwiritsidwa ntchito popanga mankhwala osiyanasiyana olimbikitsa thupi, kupereka chidziwitso pakugwiritsa ntchito mankhwala pamavuto monga kuchepetsa ululu ndi matenda a neurodegenerative.
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D-2-Phenylglycine CAS:875-74-1
D-2-Phenylglycine ndi chiral amino acid yokhala ndi molekyulu ya C8H9NO2. Ili ndi gulu la phenyl lomwe limalumikizidwa ku kaboni yachiwiri ya msana wa glycine, yomwe imapereka mawonekedwe apadera komanso zochita zamoyo. Chomera ichi chilipo ngati chimodzi mwa ma enantiomers a 2-phenylglycine, makamaka mawonekedwe a D, ndipo chatchuka kwambiri mu mankhwala chifukwa cha momwe chingagwiritsidwe ntchito popanga mankhwala. D-2-Phenylglycine imagwira ntchito yofunika kwambiri popanga mamolekyu osiyanasiyana ogwira ntchito m'thupi ndipo imafufuzidwa chifukwa cha ntchito zake zomwe zingagwiritsidwe ntchito posintha mitsempha, kuchepetsa ululu, komanso mankhwala oletsa kutupa.
