(n-Butyl)triphenylphosphonium bromide (CAS # 1779-51-7)
Risk thiab Safety
| Hazard Cov Cim | Xn – Ua phem |
| Risk Codes | R21/22 - Ua phem rau ntawm daim tawv nqaij thiab yog tias nqos. R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
| UN IDs | ib 3464 |
(n-Butyl)triphenylphosphonium bromide (CAS # 1779-51-7) Kev siv thiab kev sib txuas
Butyltriphenylphosphine bromide yog ib qho organophosphorus compound. Nws muaj cov ntawv thov tseem ceeb hauv cov organic synthesis, thiab ntawm no yog qee yam ntawm nws cov kev siv thiab kev sib txuas:
Siv:
1. Catalyst: Butyltriphenylphosphine bromide feem ntau yog siv los ua catalyst rau qee yam tshuaj lom neeg. Piv txwv li, hauv Friedel-Gram cov tshuaj tiv thaiv, nws tuaj yeem ua rau cov tshuaj tiv thaiv sib txuas ntawm alkynes thiab borides los ua ke cov isomers topological ntawm alkynes.
2. Organometallic chemistry: Butyltriphenylphosphine bromide kuj tuaj yeem siv los ua cov ligand hauv organometallic chemistry. Nws tuaj yeem tsim cov complexes nrog cov hlau ions thiab koom nrog qee qhov tseem ceeb ntawm cov organic synthesis, xws li Suzuki cov tshuaj tiv thaiv.
Txoj kev Synthesis:
Muaj ntau txoj hauv kev rau kev sib txuas ntawm butyltriphenylphosphine bromide, thiab cov hauv qab no yog ib txoj hauv kev:
1. Cov ntaub ntawv raw: bromobenzene, triphenylphosphine, butane bromide;
2. Cov kauj ruam:
(1) Nyob rau hauv ib qho chaw inert, bromobenzene thiab triphenylphosphine yog ntxiv rau cov tshuaj tiv thaiv hwj;
(2) Cov tshuaj tiv thaiv lub raj mis raug kaw thiab nplawm hauv kev tswj qhov kub thiab txias, thiab cov tshuaj tiv thaiv dav dav yog 60-80 degrees Celsius;
(3) Maj mam ntxiv butane bromide raws li xav tau thiab txuas ntxiv cov tshuaj tiv thaiv stirring;
(4) Tom qab cov tshuaj tiv thaiv tiav, txias rau chav sov;
(5) Kev tshem tawm thiab ntxuav nrog cov kuab tshuaj, thiab ziab, crystallization thiab lwm yam kev kho mob;
(6) Thaum kawg, butyltriphenylphosphine bromide khoom tau txais.
