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2-Methylhydroquinone CAS:95-71-6
2-Methylhydroquinone, yomwe imadziwikanso kuti 2-methyl-1,4-benzenediol, ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C7H8O2. Chimapangidwa ndi kapangidwe ka hydroquinone komwe gulu la methyl limayikidwa pa kaboni yachiwiri poyerekeza ndi magulu a hydroxyl (-OH). Chomerachi chimadziwika bwino chifukwa cha mphamvu zake zotsutsana ndi ma antioxidants ndipo chimagwira ntchito yofunika kwambiri popanga mankhwala osiyanasiyana. Chifukwa cha kapangidwe kake kapadera, 2-methylhydroquinone imagwiritsidwa ntchito m'njira zosiyanasiyana, makamaka m'magawo a mankhwala ndi polymer chemistry.
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4-Fluorophenethyl mowa CAS: 7589-27-7
Mowa wa 4-Fluorophenethyl, womwe umadziwikanso kuti 4-fluorobenzyl alcohol, ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C8H9F-O. Uli ndi kapangidwe ka phenethyl kokhala ndi fluorine substituent pamalo a mphete ya benzene ndi gulu la hydroxyl (–OH) lolumikizidwa ku unyolo wa ethyl. Mankhwalawa ndi ofunikira kwambiri pa ntchito zonse za chemistry yopangidwa komanso mankhwala chifukwa cha mphamvu zake zapadera za mankhwala, zomwe zimathandiza kusintha ndi kuchitapo kanthu kosiyanasiyana.
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4-Bromophenethyl alcohol CAS:4654-39-1
4-Bromophenethyl alcohol, yomwe imadziwikanso kuti 4-bromobenzyl alcohol, ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C8H9BrO. Ili ndi kapangidwe ka phenethyl komwe kali ndi atomu ya bromine pamalo a mphete ya benzene ndi gulu la hydroxyl (-OH) lolumikizidwa ku unyolo wa ethyl. Mankhwalawa amadziwika chifukwa cha reactivity yake ndipo amagwiritsidwa ntchito m'njira zosiyanasiyana zopangira mankhwala chifukwa cha kukhalapo kwa ntchito za halogen ndi hydroxyl, zomwe zimapangitsa kuti ikhale pakati pa mankhwala achilengedwe.
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2-Bromo-3-hydroxypyridine CAS: 6602-32-0
2-Bromo-3-hydroxypyridine ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C5H4BrN-O. Ili ndi atomu ya bromine ndi gulu la hydroxyl (–OH) pa mphete ya pyridine, zomwe zimapangitsa kuti ikhale membala wofunikira wa banja la pyridine losinthidwa ndi bromo. Mankhwalawa ndi ofunikira popanga zinthu zachilengedwe chifukwa cha momwe amagwirira ntchito mosiyanasiyana komanso kuthekera kogwira ntchito ngati choyambira cha kusintha kwa mankhwala osiyanasiyana. Kapangidwe kake kapadera kamapezeka mu mankhwala, mankhwala a agrochemicals, ndi magawo ena apadera a mankhwala.
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2-Fluorophenylacetic acid CAS:451-82-1
2-Fluorophenylacetic acid ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C8H7F O2. Ili ndi gulu la phenyl lomwe limasinthidwa ndi atomu ya fluorine pamalo a ortho ndi gulu logwira ntchito la acetic acid. Mankhwalawa ndi ofunikira kwambiri mu chemistry yopangidwa chifukwa cha kapangidwe kake kapadera, komwe kamamulola kutenga nawo mbali pazinthu zosiyanasiyana zamakemikolo. Kupezeka kwa atomu ya fluorine ndi gulu la carboxylic acid kumapangitsa kuti ikhale yothandiza kwambiri popanga mankhwala ndi ntchito zina za organic.
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2-Chloro-3-hydroxypyridine CAS: 6636-78-8
2-Chloro-3-hydroxypyridine ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C5H4ClN-O. Ili ndi atomu ya chlorine ndi gulu la hydroxyl (–OH) yolumikizidwa ku mphete ya pyridine, zomwe zimaiika m'gulu la mankhwala opangidwa ndi chlorine ochokera ku pyridine. Mankhwalawa atchuka kwambiri m'mafakitale azamankhwala ndi agrochemicals chifukwa cha mphamvu zake zapadera zamakemikolo komanso kusinthasintha kwake ngati chinthu chopangira zinthu zosiyanasiyana. Amagwiritsidwa ntchito m'njira zosiyanasiyana, makamaka pakupanga mamolekyulu a bioactive.
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Benzyltrimethylammonium chloride CAS: 56-93-9
Benzyltrimethylammonium chloride (BTMAC) ndi mchere wa ammonium wa quaternary wokhala ndi formula ya mankhwala C10H16ClN. Uli ndi gulu la benzyl lolumikizidwa ku atomu ya nayitrogeni yomwe imalumikizidwanso ndi magulu atatu a methyl. BTMAC imawoneka ngati crystalline yoyera ndipo imasungunuka m'madzi ndi zinthu zambiri zachilengedwe. Phala ili limadziwika kwambiri ndi mphamvu zake za surfactant ndipo limagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, kuphatikiza njira zochotsera komanso ngati chothandizira kusamutsa gawo.
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2-(4-Aminophenyl)ethanol CAS:104-10-9
2-(4-Aminophenyl)ethanol, yomwe imadziwikanso kuti 4-(2-hydroxyethyl)aniline, ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C8H11N-O. Ili ndi gulu la hydroxyl (–OH) ndi gulu la amino (–NH2) lolumikizidwa ku msana wa phenylethyl. Mankhwalawa amadziwika ndi kapangidwe kake ka zonunkhira, zomwe zimapangitsa kuti agwirizane ndi zinthu zosiyanasiyana. Chifukwa cha magulu ake ogwira ntchito, amagwira ntchito yofunika kwambiri popanga utoto, mankhwala, ndi mankhwala ena achilengedwe, zomwe zimapangitsa kuti ikhale yofunika kwambiri m'mafakitale ambiri.
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2,5-Di-tert-butylhydroquinone CAS:88-58-4
2,5-Di-tert-butylhydroquinone (DTBHQ) ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C14H22O2. Ili ndi kapangidwe ka hydroquinone ndi magulu awiri a tert-butyl omwe amasinthidwa pamalo a 2 ndi 5 a mphete ya benzene. Kapangidwe kapadera kameneka kamawonjezera mphamvu zake zotsutsana ndi ma antioxidants, zomwe zimapangitsa kuti ikhale yothandiza pakukhazikitsa zinthu zosiyanasiyana kuti zisawonongeke ndi ma oxidant. DTBHQ imagwiritsidwa ntchito makamaka ngati antioxidant ndipo imadziwika chifukwa cha kuthekera kwake kuteteza zinthu kuti zisawonongeke chifukwa cha kutentha, kuwala, ndi mpweya.
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Benzyltriethylammonium bromide CAS: 5197-95-5
Benzyltriethylammonium bromide (BTEAB) ndi mchere wa ammonium wa quaternary wokhala ndi formula ya mankhwala C13H18BrN. Uli ndi gulu la benzyl lomwe limalumikizidwa ku atomu ya nayitrogeni yomwe imalumikizidwanso ndi magulu atatu a ethyl. BTEAB imawoneka ngati crystalline solid yoyera ndipo imasungunuka m'madzi ndi zinthu zosiyanasiyana zachilengedwe. Phala ili limadziwika chifukwa cha mphamvu zake za surfactant ndipo limagwiritsidwa ntchito kwambiri popanga zinthu zachilengedwe, makamaka ngati chothandizira kusamutsa gawo.
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2-Ethylphenol CAS:90-00-6
2-Ethylphenol ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C10H14O. Amapangidwa ndi kapangidwe ka phenolic komwe kali ndi gulu la ethyl lolumikizidwa ku kaboni yachiwiri ya mphete ya benzene. Madzi achikasu opanda mtundu uwu ali ndi fungo lokoma, la phenolic ndipo amagwiritsidwa ntchito makamaka popanga mankhwala osiyanasiyana, kuphatikizapo ma antioxidants, mankhwala ophera tizilombo, ndi mankhwala. 2-Ethylphenol ndi yofunika kwambiri popanga mankhwala ena. Chifukwa cha poizoni wake komanso mphamvu zake zokwiyitsa, njira zoyenera zotetezera ziyenera kutengedwa pogwira ntchito ndi mankhwalawa.
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3-Nitroacetophenone CAS:121-89-1
3-Nitroacetophenone ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C9H9NO3. Ili ndi gulu la nitro (-NO2) lomwe lili pamalo a meta poyerekeza ndi gawo la acetophenone. Cholimba chachikasu chopepuka ichi chimagwiritsidwa ntchito makamaka ngati chothandizira pakupanga mankhwala, utoto, ndi mankhwala a agrochemicals. Kapangidwe kake kosiyana kamapangitsa kuti ikhale yofunika kwambiri mu organic chemistry pazochitika zosiyanasiyana, kuphatikizapo ma nucleophilic substitutions ndi aromatic electrophilic substitutions. Kupezeka kwa gulu la nitro kumawonjezera reactivity yake, zomwe zimapangitsa kuti ikhale chinthu chofunikira kwambiri pakupanga mankhwala ovuta kwambiri.
