3-Bromo-5-fluoropyridine（CAS# 407-20-5)
| Waehere Morearea | R22 – He kino ki te horomia R37/38 – He whakapataritari ki te punaha manawa me te kiri. R41 – He kino kino ki nga kanohi R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri. R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia. R10 – He mura ahi |
| Whakaahuatanga Haumaru | S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora. S39 – Mau whakamarumaru kanohi / kanohi. S36 – Mau kakahu whakamarumaru tika. S16 – Kia matara atu i nga puna o te mura. |
| UN ID | UN2811 |
| WGK Tiamana | 3 |
| Waehere HS | 29333990 |
| Tuhipoka morearea | Whakariri |
| Te akomanga morearea | 6.1 |
Kupu Whakataki
Ko te 5-Bromo-3-fluoropyridine he pūhui waro. E whai ake nei he kupu whakataki mo tona ahuatanga, te whakamahinga, te tikanga whakarite me nga korero haumaru:
Kounga:
- Ko te 5-Bromo-3-fluoropyridine he totoka me te ahua o nga tioata ma, kowhai ranei.
- He pūhui organohalogen he nui te mahi matū.
- Ko te 5-Bromo-3-fluoropyridine he kore e rewa i roto i te wai i te pāmahana rūma, engari ka whakarewahia i roto i nga whakarewa waro penei i te waihano me te etera.
Whakamahia:
- Ko te 5-Bromo-3-fluoropyridine he maha nga wa e whakamahia ana hei reagent nui i roto i te whakahiato waro.
- He kaha te whakakapinga electrophilic me te whakahohenga, a ka taea te whakamahi mo te whakakapi, te hono me nga tauhohenga cyclization i roto i nga tauhohenga whakahiato waro.
Tikanga:
- 5-Bromo-3-fluoropyridine ka taea te whakahiato i nga tikanga rereke, ko te tikanga tino noa ko te whakautu i te bromofluoropyridine me te acetonitrile.
- Ka taea hoki te tiki 3-Bromopyridine ma te mahi tuatahi ki te lithium subbromide ki te whakaputa i te 3-bromopyridine, katahi ka tauhohe ki te konutai fluoride ki te whiwhi 5-bromo-3-fluoropyridine.
Mōhiohio Haumaru:
- Ko te 5-Bromo-3-fluoropyridine he puhui pararopi he kino, me te whakahaere haumaru i roto i te taiwhanga.
- Ka pa te kino ki nga kanohi me te kiri, me karohia te whakapiri tika.
- Me penapena te 5-Bromo-3-fluoropyridine ki roto i te ipu hau, kia matara atu i te ahi me te wera nui.
- I te wa e whakamahi ana me te whakahaere, whai i nga tikanga whakahaere haumaru e tika ana, me te whakauru ki nga taputapu whakamarumaru e tika ana penei i nga karapu me nga moti.
