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(-)-DIPIVALOYL-L-TARTARIC ACID CAS:65259-81-6
(-)-Dipivaloyl-L-tartaric acid ndi mankhwala a chiral ochokera ku tartaric acid, omwe amadziwika ndi kupezeka kwa magulu awiri a pivaloyl omwe amalumikizidwa ndi ntchito za hydroxyl. Ndi formula ya molekyulu C13H22O6, mankhwalawa ali ndi mawonekedwe apadera omwe amawapangitsa kukhala ofunika mu kapangidwe ka asymmetric ndi catalysis. Kuyambitsidwa kwa magulu a pivaloyl kumawonjezera kuchuluka kwa steric kuzungulira malo a chiral, zomwe zimapangitsa kuti zinthu zisinthe. Kugwiritsa ntchito kwake kumakhudza magawo osiyanasiyana, kuphatikiza mankhwala ndi mankhwala a agrochemicals, komwe kumagwira ntchito ngati chothandizira cha chiral kapena ligand. Kafukufuku wopitilira akupitiliza kufufuza kuthekera kwake kopanga njira zatsopano zochizira komanso mankhwala atsopano a chiral.
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5-Bromonicotinic acid CAS:20826-04-4
5-Bromonicotinic acid ndi brominated derivative ya nicotinic acid, yodziwika ndi kukhalapo kwa atomu ya bromine pamalo 5 a mphete ya pyridine. Phala ili limasonyeza mphamvu zodziwika bwino za mankhwala ndi zamoyo, zomwe zimapangitsa kuti likhale chandamale chofunikira mu mankhwala. Kapangidwe kake kapadera kamathandizira kuti ligwiritsidwe ntchito popanga mankhwala, ndi maphunziro omwe akusonyeza kuti pali mphamvu zotsutsana ndi mavairasi komanso zotsutsana ndi kutupa. Bromine substituent imawonjezera reactivity ya phala, zomwe zimathandiza kusintha kosiyanasiyana kwa mankhwala. Pamene ofufuza akupitiliza kufufuza mphamvu zake zochiritsira, 5-bromonicotinic acid ikadali phala lofunika kwambiri pakupanga mankhwala atsopano ndi mankhwala a agrochemicals.
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2,5-Dimethylphenylhydrazine hydrochloride CAS:56737-78-1
2,5-Dimethylphenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C9H12N2·HCl. Mankhwalawa a hydrazine ali ndi magulu awiri a methyl omwe amamangiriridwa ku mphete ya phenyl pamalo a 2 ndi 5. Nthawi zambiri amawonetsedwa ngati crystalline solid yoyera ndipo amagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe komanso kafukufuku wamankhwala. Makhalidwe apadera a kapangidwe ka mankhwalawa amamuthandiza kutenga nawo mbali pazinthu zosiyanasiyana zamakemikolo, zomwe zimapangitsa kuti akhale othandizira popanga mankhwala olimbikitsa thupi komanso zinthu zina zogwira ntchito.
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2,4-Difluorophenylhydrazine hydrochloride CAS:51523-79-6
2,4-Difluorophenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H6F2N2·HCl. Ndi mankhwala ochokera ku hydrazine omwe amadziwika ndi maatomu awiri a fluorine omwe amalowetsedwa m'malo mwa 2 ndi 4 pa mphete ya phenyl. Kawirikawiri amawoneka ngati crystalline solid yoyera mpaka yachikasu yopepuka, mankhwalawa amagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe komanso kafukufuku wamankhwala. Kapangidwe kake kapadera kamalola kuti pakhale reactivity yofunika kwambiri, zomwe zimapangitsa kuti ikhale yothandiza kwambiri pokonzekera mankhwala osiyanasiyana olimbikitsa thanzi komanso zinthu zothandiza.
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3-Chlorophenylhydrazine hydrochloride CAS:2312-23-4
3-Chlorophenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H7ClN2·HCl. Ili ndi gulu la chlorophenyl lolumikizidwa ku gawo la hydrazine, makamaka ndi cholowa cha chlorine chomwe chili pamalo a phenyl ring. Mankhwalawa nthawi zambiri amawoneka ngati olimba oyera mpaka achikasu otumbululuka ndipo amagwira ntchito yofunika kwambiri popanga zinthu zachilengedwe. Kapangidwe kake kapadera kamathandiza kuti igwire ntchito zosiyanasiyana zamakemikolo, zomwe zimapangitsa kuti ikhale yothandiza pakupanga mankhwala ophatikizika ndi zinthu zapadera.
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4-Ethylphenylhydrazine hydrochloride CAS:53661-18-0
4-Ethylphenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C10H14N2·HCl. Ili ndi gulu la ethyl lomwe limalumikizidwa ndi kapangidwe ka phenylhydrazine, makamaka pamalo a para. Mankhwalawa nthawi zambiri amawoneka ngati olimba oyera kapena oyera ndipo amagwira ntchito ngati othandizira pazinthu zosiyanasiyana zamakemikolo. Makhalidwe ake apadera amamulola kuti achite gawo lofunikira pakupanga kwa organic ndikukula kwa mamolekyulu a bioactive.
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2,6-Dichlorophenylhydrazine hydrochloride CAS:50709-36-9
2,6-Dichlorophenylhydrazine hydrochloride ndi mankhwala okhala ndi formula ya molekyulu C6H6Cl2N2·HCl. Ndi hydrazine derivative yomwe imadziwika ndi kupezeka kwa dichloro substitutions pa phenyl ring. Mankhwalawa amawoneka ngati crystalline solid yoyera mpaka yoyera ndipo amagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe komanso kugwiritsa ntchito mankhwala. Kapangidwe kake kapadera kamapereka njira zosiyanasiyana zochitira zinthu, zomwe zimapangitsa kuti ikhale yothandiza pokonza mankhwala osiyanasiyana ogwira ntchito.
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4-Cyanophenylhydrazine hydrochloride CAS:2863-98-1
4-Cyanophenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C7H8N4·HCl. Ili ndi kapangidwe ka phenylhydrazine komwe kali ndi gulu la cyano (-CN) lomwe lili pamalo a mphete ya aromatic. Mankhwalawa nthawi zambiri amawoneka ngati olimba oyera mpaka achikasu ndipo amagwira ntchito ngati gawo lofunika kwambiri pakupanga zinthu zachilengedwe. Makhalidwe ake apadera a mankhwala amamulola kutenga nawo mbali pazinthu zosiyanasiyana, zomwe zimapangitsa kuti ikhale yothandiza popanga mankhwala olimbikitsa thupi komanso zinthu zina zothandiza.
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4-Nitrophenylhydrazine hydrochloride CAS:636-99-7
4-Nitrophenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H7N3O2·HCl. Amadziwika ndi gulu la nitro (-NO2) lolumikizidwa ndi malo a phenylhydrazine. Mankhwalawa nthawi zambiri amawoneka ngati olimba achikasu ndipo amagwiritsidwa ntchito makamaka mu kapangidwe ka organic ndi chemistry yowunikira. Kupezeka kwa ntchito za hydrazine ndi nitro kumalola kuti pakhale njira zosiyanasiyana zogwirira ntchito za mankhwala, zomwe zimapangitsa kuti ikhale yothandiza kwambiri pokonzekera mankhwala osiyanasiyana olimbikitsa thupi ndi zinthu zina zothandiza.
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3-Methoxyphenylhydrazine hydrochloride CAS:39232-91-2
3-Methoxyphenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C8H10N2O·HCl. Ili ndi gulu la methoxy (-OCH3) lomwe lili pamalo a meta pa mphete ya phenylhydrazine. Mankhwalawa amawoneka ngati olimba oyera mpaka achikasu otumbululuka ndipo amagwira ntchito ngati gawo lofunika kwambiri pakupanga kwachilengedwe. Kapangidwe kake kapadera ka mankhwala kamathandiza kuti azitha kutenga nawo mbali pazinthu zosiyanasiyana, zomwe zimapangitsa kuti ikhale yothandiza popanga mankhwala olimbikitsa thupi komanso zinthu zina zothandiza.
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3-Nitrophenylhydrazine hydrochloride CAS:636-95-3
3-Nitrophenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C6H7N3O2·HCl. Ili ndi gulu la nitro (-NO2) lomwe lili pamalo a meta a kapangidwe ka phenylhydrazine. Mankhwalawa nthawi zambiri amawoneka ngati olimba achikasu mpaka lalanje ndipo amagwiritsidwa ntchito makamaka popanga zinthu zachilengedwe komanso kugwiritsa ntchito njira zowunikira. Kupezeka kwa ntchito za hydrazine ndi nitro kumalola kuti pakhale njira zosiyanasiyana zogwirira ntchito, zomwe zimapangitsa kuti ikhale yothandiza kwambiri pokonzekera mamolekyu osiyanasiyana ogwira ntchito komanso zinthu zothandiza.
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3,4-Dimethylphenylhydrazine hydrochloride CAS:60481-51-8
3,4-Dimethylphenylhydrazine hydrochloride ndi mankhwala achilengedwe okhala ndi formula ya molekyulu C9H12N2·HCl. Mankhwalawa a hydrazine ali ndi magulu awiri a methyl omwe amalowetsedwa m'malo mwa mphete ya phenyl pamalo a 3 ndi 4. Nthawi zambiri amapezeka ngati crystalline solid yoyera ndipo amachita gawo lofunika kwambiri pakupanga kwa organic ndi kafukufuku wamankhwala. Kapangidwe kake kapadera ka mankhwalawa kamamulola kutenga nawo mbali pazinthu zosiyanasiyana zamakemikolo, zomwe zimapangitsa kuti akhale wofunikira kwambiri pakupanga mankhwala ophatikizika ndi zinthu zina zogwira ntchito.
