1,4-Bis (diphenylphosphino)butane (DPPB) CAS 7688-25-7 Purity > 98.0% (HPLC)
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| Tshuaj npe | 1,4-Bis (diphenylphosphino)butane |
| Synonyms | Tetramethylenebis (diphenylphosphine);DPPB |
| CAS Nr | 7688-25-7 : kuv |
| CAT Number | TIAB SA 2316 |
| Tshuag xwm txheej | Nyob rau hauv Tshuag, ntau lawm Scale mus txog Tons |
| Molecular Formula | C28H28P2 |
| Molecular Luj | 426.48 ib |
| rhiab heev | Cua Sensitive, Thaum tshav kub kub Sensitive |
| Solubility | Soluble hauv Chloroform.Me ntsis Soluble hauv dej |
| Cia | Ambient Kub |
| Hom | Ruifu Tshuaj |
| Yam khoom | Specifications |
| Qhov tshwm sim | Dawb los yog Off-White Crystalline Hmoov |
| Purity / Analysis Method | > 98.0% (HPLC) |
| Melting Point | 132.0 ~ 136.0 ℃ |
| Dej (los ntawm Karl Fischer) | <1.00% |
| Solubility (Turbidity) | Ntshiab rau me ntsis Hazy 2.5% hauv Chloroform |
| Solubility (xim) | Xim tsis muaj xim rau heev daj daj |
| Tag nrho cov impurities | <2.00% |
| Infrared Spectrum | Raws li tus qauv |
| Proton NMR Spectrum | Raws li tus qauv |
| Test Standard | Enterprise Standard |
| Kev siv | Pharmaceutical Intermediates |
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1,4-Bis (diphenylphosphino)butane (DPPB) (CAS: 7688-25-7) yog siv nyob rau hauv Suzuki-Miyaura Hla Coupling Reaction los yog siv li Ligands.Nws ua lub luag haujlwm tseem ceeb raws li ligand hauv palladium(0)-catalyzed acylcyanation ntawm arylacetylenes thiab deprotection ntawm allyloxycarbamates.Nws ua raws li ligand rau alkylations, isomerization cov tshuaj tiv thaiv thiab hauv organometallic chemistry.Ntxiv mus, nws yog siv nyob rau hauv Heck tshuaj tiv thaiv, Negishi coupling thiab Sonogashira coupling.Ntxiv rau qhov no, nws yog qhov tseem ceeb hauv organometallic chemistry.
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