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2-Aminonicotinic acid CAS: 5345-47-1
2-Aminonicotinic acid ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H6N2O2. Ndi yochokera ku nicotinic acid, yodziwika ndi kukhalapo kwa gulu la amino (-NH2) pamalo achiwiri a mphete ya pyridine. Kusintha kwa kapangidwe kameneka kumapereka mphamvu zapadera zamakemikolo ndi zochita zamoyo ku mankhwalawa. Kafukufuku wasonyeza kuti 2-aminonicotinic acid ikhoza kukhala ndi ntchito zochiritsira, kuphatikizapo zotsatira zotsutsana ndi kutupa komanso maantibayotiki. Kuphatikiza apo, kuthekera kwake kugwira ntchito ngati chomangira mu kapangidwe ka organic kumawonjezera kufunika kwake mu mankhwala, ndikutsegula njira yopangira mamolekyu atsopano a bioactive ndi mphamvu yabwino.
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5-Aminonicotinic acid CAS:24242-19-1
5-Aminonicotinic acid ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C6H6N2O2. Ndi chochokera ku nicotinic acid, chomwe chili ndi gulu la amino (-NH2) pamalo achisanu a mphete ya pyridine. Kusintha kwa kapangidwe kameneka kumapereka mphamvu zapadera zamakemikolo ndi zochita zomwe zingatheke pazamoyo. Kafukufuku akusonyeza kuti 5-aminonicotinic acid ikhoza kukhala ndi zotsatira zosiyanasiyana zamankhwala, kuphatikizapo mphamvu zotsutsana ndi kutupa, maantibayotiki, komanso zoteteza mitsempha. Udindo wake monga chomangira popanga zinthu zachilengedwe umachipangitsa kukhala chofunikira popanga mankhwala atsopano, kukulitsa kufunika kwake mu mankhwala ndikupereka njira zatsopano zofufuzira mankhwala.
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4-ACETOXYACETOPHENONE CAS:13031-43-1
4-Acetooxyacetophenone, yomwe imadziwikanso kuti 4-acetoxy-1-phenylethanone, ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C10H10O3. Ili ndi gulu la acetoxy lomwe limalumikizidwa ndi kapangidwe ka acetophenone, zomwe zimapangitsa kuti pakhale mankhwala apadera. Mankhwalawa amagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe ndipo amagwiritsidwa ntchito popanga mankhwala, agrochemicals, komanso kupanga utoto. Kuchita kwake bwino kumamulola kutenga nawo mbali pazinthu zosiyanasiyana zopangira, kuphatikizapo acylation ndi esterification. Zinthu zochokera ku mankhwalawa zakopa chidwi cha chemistry yamankhwala chifukwa cha ntchito zawo zamoyo. Kafukufuku wopitilira akupitiliza kufufuza momwe amagwiritsidwira ntchito m'mafakitale osiyanasiyana komanso zopereka zake popanga mankhwala atsopano.
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3,3-Dimethylbutyryl chloride CAS: 7065-46-5
3,3-Dimethylbutyryl chloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C7H13ClO. Ndi acyl chloride yochokera ku 3,3-dimethylbutyric acid, yomwe imapangidwa posintha gulu la hydroxyl la carboxylic acid ndi atomu ya chlorine. Mankhwalawa amagwira ntchito yofunika kwambiri pakupanga zinthu zachilengedwe, ndipo amagwira ntchito ngati gawo lothandizira pazochitika zosiyanasiyana za mankhwala, makamaka njira za acylation. Kapangidwe kake ka nthambi kamakhudza momwe amagwirira ntchito komanso momwe amagwiritsidwira ntchito popanga ma esters ndi ma amides. Kuphatikiza apo, 3,3-dimethylbutyryl chloride ndi yothandiza pa mankhwala ndi mankhwala a agrochemicals ndipo imadziwika kuti imapanga mankhwala osiyanasiyana.
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2,2-Dimethyl-1,3-dioxolane-4-methanol CAS:100-79-8
2,2-Dimethyl-1,3-dioxolane-4-methanol ndi chinthu chachilengedwe chomwe chimadziwika ndi kapangidwe ka mphete ya dioxolane yokhala ndi magulu awiri a methyl pa kaboni yachiwiri ndi gulu la hydroxymethyl pamalo achinayi. Fomula yake ya molekyulu ndi C7H14O3. Chomera ichi chili ndi chidwi ndi chemistry yopangidwa ndi zinthu zachilengedwe chifukwa cha momwe ingagwiritsidwire ntchito ngati chomangira mamolekyu ovuta kwambiri. Kupezeka kwa mphete ya dioxolane ndi gulu la hydroxymethyl logwira ntchito kumathandiza kuti chikhale chosinthika, zomwe zimapangitsa kuti chikhale chothandiza pazinthu zosiyanasiyana, kuphatikizapo kusintha kwa nucleophilic ndi kusintha kwa magulu ogwira ntchito, motero chimagwira ntchito mu sayansi ya zamankhwala ndi zinthu.
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3,3-Dimethylbutyric acid CAS:1070-83-3
3,3-Dimethylbutyric acid ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C7H14O2. Ili ndi kapangidwe ka nthambi komwe magulu awiri a methyl amalumikizidwa ku atomu yapakati ya kaboni ya msana wa butyric acid. Asidi wa carboxylic uyu ndi wodziwika bwino chifukwa cha nthambi zake zapadera, zomwe zimakhudza mawonekedwe ake akuthupi ndi a mankhwala. Imagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe, makamaka mu mankhwala ndi mankhwala a agrochemicals. Mankhwalawa angagwiritsidwenso ntchito pophunzira njira za kagayidwe kachakudya ndi njira zama enzyme. Kuchepa kwake poizoni komanso kusagwiritsidwa ntchito mosavuta kumapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito m'mafakitale osiyanasiyana.
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1-Chloroethyl ethyl carbonate CAS: 50893-36-2
1-Chloroethyl ethyl carbonate ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C5H11ClO3. Ali ndi gulu la chloroethyl lolumikizidwa ku gawo la ethyl carbonate. Mankhwalawa amawoneka ngati madzi opanda mtundu ndipo ali ndi mphamvu yogwira ntchito chifukwa cha kukhalapo kwa magulu onse awiri a chlorine ndi carbonate. Kapangidwe kake kapadera kamapangitsa kuti ikhale yofunikira pa ntchito zosiyanasiyana zopangira, makamaka popanga zinthu zachilengedwe komanso kupanga mankhwala apadera.
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Piperonyl aldehyde CAS:120-57-0
Piperonyl aldehyde, yomwe imadziwikanso kuti 3,4-methylenedioxybenzaldehyde, ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C10H10O3. Ili ndi gulu la benzaldehyde lomwe limalumikizidwa ku piperonyl moiety, lomwe limadziwika ndi gulu la methylenedioxy pa mphete ya aromatic. Mankhwalawa amawoneka ngati madzi opanda mtundu mpaka achikasu otuwa ndipo ali ndi fungo labwino, lokoma, la maluwa lofanana ndi jasmine kapena lavender. Piperonyl aldehyde imagwiritsidwa ntchito kwambiri m'mafakitale a zonunkhira ndi zokometsera chifukwa cha fungo lake labwino ndipo imagwiritsidwanso ntchito ngati chowonjezera pakupanga zinthu zachilengedwe.
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Benzofuroxan CAS:480-96-6
Benzofuroxan ndi mankhwala achilengedwe omwe amadziwika ndi kapangidwe ka benzene ndi furoxan, yokhala ndi formula ya molekyulu C8H5N3O2. Mankhwalawa ali ndi gulu la nitro lomwe limalumikizidwa ndi furoxan, zomwe zimapangitsa kuti ikhale ndi mankhwala apadera. Benzofuroxan imawoneka ngati kristalo wachikasu ndipo imadziwika chifukwa cha kugwiritsidwa ntchito kwake m'magawo osiyanasiyana, kuphatikiza mankhwala ndi sayansi ya zida. Kuchita kwake kosangalatsa komanso kusinthasintha kwa kapangidwe kake kumapangitsa kuti ikhale chinthu chofunikira kwambiri pakupanga mankhwala achilengedwe.
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2-Chloro-5-methylpyridine-3-carboxylic acid CAS:66909-30-6
2-Chloro-5-methylpyridine-3-carboxylic acid ndi chinthu chachilengedwe chokhala ndi formula ya molekyulu C7H6ClN. Chili ndi mphete ya pyridine yokhala ndi atomu ya chlorine pamalo a 2, gulu la methyl pamalo a 5, ndi gulu logwira ntchito la carboxylic acid (-COOH) pamalo a 3. Chomerachi nthawi zambiri chimawoneka ngati cholimba ndipo chimadziwika ndi kusinthika kwake chifukwa cha kukhalapo kwa ntchito za halogen ndi carboxylic acid, zomwe zimapangitsa kuti chikhale chofunikira pa ntchito zosiyanasiyana zopangira, makamaka mu mankhwala ndi mankhwala a agrochemicals.
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2,4-Dimethoxybenzaldehyde CAS:613-45-6
2,4-Dimethoxybenzaldehyde ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C10H12O3. Ili ndi gulu la benzaldehyde lomwe lasinthidwa ndi magulu awiri a methoxy pamalo a 2 ndi 4 pa mphete ya aromatic. Mankhwalawa amawoneka ngati madzi achikasu kapena olimba ndipo ali ndi fungo labwino lofanana ndi vanila kapena zonunkhira. Kapangidwe kake kapadera komanso magulu ogwira ntchito zimapangitsa kuti ikhale yothandiza kwambiri popanga zinthu zachilengedwe komanso ntchito zosiyanasiyana m'mafakitale a mankhwala ndi zonunkhira.
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5,6-DICHLORO-3-PYRIDINEMETHANOL CAS:54127-30-9
5,6-Dichloro-3-pyridinmethanol ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H5Cl2N. Ili ndi mphete ya pyridine yomwe imasinthidwa ndi maatomu awiri a chlorine pamalo a 5 ndi 6 ndi gulu la hydroxymethyl (-CH2OH) pamalo a 3. Kawirikawiri imawoneka ngati yoyera mpaka yoyera, mankhwalawa amasonyeza kusintha kwakukulu chifukwa cha kukhalapo kwa magulu onse awiri a halogen ndi mowa, zomwe zimapangitsa kuti ikhale yothandiza pakupanga mankhwala osiyanasiyana, makamaka m'mafakitale ndi mankhwala a agrochemicals.
