2-(chloromethyl)-5-(trifluoromethyl)-1 3 4-oxadiazole（CAS# 723286-98-4)
Kupu Whakataki
Ko te 2-(chloromethyl) -5-(trifluoromethyl) -1,3,4-oxadiazole he pūhui waro me te tātai C4H2ClF3N2O.
Taiao:
Ko te 2-(chloromethyl)-5-(trifluoromethyl) -1,3,4-oxadiazole he wai kore tae ki te kowhai kowhai kowhai he totoka karaihe ranei. He teitei te waiariki me te koretake matū. Kare e rewa i roto i te wai i te pāmahana rūma, ka whakarewahia ki etahi whakarewa pararopi penei i te waihano me te etera. Ka taea te tohu te puhui e nga tikanga penei i te resonance autō karihi me te spectrometry papatipu.
Whakamahia:
2-(chloromethyl) -5-(trifluoromethyl) -1,3,4-oxadiazole he uara tono i roto i te mara o te matū. He maha nga wa ka whakamahia hei takawaenga i roto i te whakahiato waro mo te whakahiato o etahi atu puhui. I tua atu, ka whakamahia ano he reagent rangahau i roto i te waahi o te pesticides me te rongoa.
Tikanga Whakaritenga:
Ko te 2-(chloromethyl) -5-(trifluoromethyl) -1,3,4-oxadiazole ka taea te whakahiato e nga momo tikanga. Ko te tikanga whakarite noa e whai ake nei:
1. Tāpirihia he whakakōkī (pērā i te triethylamine) ki tētahi pūnaha whakarewa tauhohenga waro waikore.
2. Tāpirihia he nui o te methyl 3-chloropropionate me te methyl trifluoroformate ki te punaha whakarewa.
3. Ka mahia te tauhohenga i te pāmahana e tika ana i raro i te hau koretake, a ko te tikanga me whakamahana te ranunga tauhohenga.
4. Tātari Māturu ranei ki te whiwhi i te hua, i muri i te purenga tika me te whakamaroke ki te whiwhi hua parakore.
Mōhiohio Haumaru:
Ko te 2-(chloromethyl)-5-(trifluoromethyl)-1,3,4-oxadiazole i te nuinga o te waa he haumaru ina whakamahia me te penapena tika. Heoi, i te mea he puhui pararopi, ka pa he kino ki te hauora o te tangata me te taiao. I te whakamahi me te whakahaere, me whai i nga tikanga haumaru tika, me te karo i te whakapiri tika. Ko nga tohutohu haumaru e tika ana mo te puhui me ata panui me te whai. Mena e tika ana, me whakahaere te mahi i raro i te aratohu a nga kaimahi ngaio.
