1,4-Bis(diphenylphosphino)butane (DPPB) CAS 7688-25-7 Purity >98.0% (HPLC)
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Jina la Kemikali | 1,4-Bis(diphenylphosphino)butane |
Visawe | Tetramethylenebis (diphenylphosphine);DPPB |
Nambari ya CAS | 7688-25-7 |
Nambari ya CAT | RF2316 |
Hali ya Hisa | Katika Hisa, Uzalishaji Umeongezeka Hadi Tani |
Mfumo wa Masi | C28H28P2 |
Uzito wa Masi | 426.48 |
Nyeti | Haisikii Hewa, Haina joto |
Umumunyifu | Mumunyifu katika Chloroform.Mumunyifu Kidogo katika Maji |
Hifadhi | Halijoto ya Mazingira |
Chapa | Ruifu Chemical |
Kipengee | Vipimo |
Mwonekano | Unga wa Fuwele Nyeupe au Nyeupe |
Njia ya Usafi / Uchambuzi | >98.0% (HPLC) |
Kiwango cha kuyeyuka | 132.0~136.0℃ |
Maji (na Karl Fischer) | <1.00% |
Umumunyifu (Turbidity) | Wazi hadi Hazy Kidogo 2.5% katika Chloroform |
Umumunyifu (Rangi) | Isiyo na Rangi hadi Njano Hafifu Sana |
Jumla ya Uchafu | <2.00% |
Spectrum ya Infrared | Inalingana na Muundo |
Protoni NMR Spectrum | Inalingana na Muundo |
Kiwango cha Mtihani | Kiwango cha Biashara |
Matumizi | Wasaidizi wa Dawa |
Kifurushi: Chupa, begi ya karatasi ya Alumini, Ngoma ya 25kg/Cardboard, au kulingana na mahitaji ya mteja
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MOQ?Hakuna MOQ.Utaratibu mdogo unakubalika.
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1,4-Bis(diphenylphosphino)butane (DPPB) (CAS: 7688-25-7) inatumika katika Suzuki-Miyaura Cross Coupling Reaction au kutumika kama Ligands.Ina jukumu muhimu kama ligand katika paladiamu(0)-acylcyanation iliyochochewa ya arylacetylenes na ulinzi wa allyloxycarbamates.Inafanya kazi kama ligand kwa alkylations, athari za isomerization na katika kemia ya organometallic.Zaidi ya hayo, inatumika katika mmenyuko wa Heck, uunganishaji wa Negishi na uunganishaji wa Sonogashira.Mbali na hili, ni muhimu katika kemia ya organometallic.
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