Grundinformationen
- Standard-SMILES
CC(=N[Si](C)(C)C)O[Si](C)(C)C- InChIKey
SIOVKLKJSOKLIF-UHFFFAOYSA-N- Summenformel
- C8H21NOSi2
- Durchschnittliche Molmasse
- 203,43 g/mol
- Monoisotopische Masse
- 203,11616735
Namen und Bezeichner
- Bevorzugter Name
- trimethylsilyl N-trimethylsilylethanimidate
- IUPAC
- trimethylsilyl N-trimethylsilylethanimidate
- Lokaler Name
- Trimethylsilyl-N-trimethylsilyl-acetamidat
- Englischer Name
- N,O-Bis(trimethylsilyl)acetamide
- Summenformel
- C8H21NOSi2
- Molmasse
- 203.43
Namen und Synonyme
trimethylsilyl N-trimethylsilylethanimidateC8H21NOSi2n,o-bis(trimethylsilyl) acetamideTMS-BATRIMETHYLSILYL N-(TRIMETHYLSILYL)ACETIMIDATEDynasylan BSAtrimethylsilyl (E)-N-(trimethylsilyl)acetimidateTRIMETHYLSILYL N-(TRIMETHYLSILYL)ETHANIMIDATEBSA(E)-trimethylsilyl N-(trimethylsilyl)acetimidate132255-83-5Trimethylsilyl N-(trimethylsilyl)ethanimidoate
Weitere Namen anzeigen
BIS(TRIMETHYLSILYL)ACETAMIDECB2500bis(trimethylsllyl)acetamideN.O-Bis(trimethylsilyl)acetamide (BSA)
N,O-bis-(TRIMETHYLSILYL)-ACETAMIDEtrimethylsilyl (1E)-N-trimethylsilylethanimidateEzetimibe Impurity 168SCHEMBL682640SCHEMBL1301719SCHEMBL1301721N,O-bis(trimethlsilyl)acetamiden,o-bis (trimethylsilyl)acetamide
Datenbank-Bezeichner
- CAS
10416-59-8- PubChem CID
- 25248
- DTXSID
DTXSID5051525
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 21,6 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 2
- Frei drehbare Bindungen
- 3
- Schwere Atome
- 12
- Formalladung
- 0
- Komplexität
- 176
Experimentelle und physikochemische Eigenschaften
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Physikochemische Eigenschaften
- Schmelzpunkt
- 24 °C · 24 °C
- Siedepunkt
- 71 · 71-73 °C35 mm Hg(lit.)
- Dichte
- 0.832 g/mL · 0.832 g/mL at 20 °C(lit.)
- Dampfdruck
- 10 hPa · 10 hPa (50 °C)
- Brechungsindex
- 20 · n20/D 1.417(lit.)
- Flammpunkt
- 53 °F · 53 °F
- storage temp.
- 30 °C · Store below +30°C.
- Löslichkeit
- Miscible with many nonpolar and polar aprotic solvents.
- Aggregatzustand
- Crystalline Powder, Crystals and/or Chunks
- pka
- 5.82 · 5.82±0.50(Predicted)
- Wichte
- 0.832 · 0.832
- Farbe
- Light yellow or beige to brown
- BRN
- 1306669 · 1306669
- InChI
- 1S/C8H21NOSi2/c1-8(9-11(2,3)4)10-12(5,6)7/h1-7H3/b9-8+
- InChIKey
- SIOVKLKJSOKLIF-CMDGGOBGSA-N
- SMILES
- C\C(O[Si](C)(C)C)=N/[Si](C)(C)C
- CAS Datenbank
- 10416 · 10416-59-8(CAS DataBase Reference)
- NIST chemische Informationen
- Ethanimidic acid, N-(trimethylsilyl)-, trimethylsilyl ester(10416-59-8)
- EPA chemische Informationen
- Ethanimidic acid, N-(trimethylsilyl)-, trimethylsilyl ester (10416-59-8)
Sicherheit und Regulatorisches
Sicherheitsdaten
- F
- 10-21
- wgk
- 3
- tsca
- TSCA listed
- ridadr
- UN 2920 8/PG 2
- hs_code
- 29310095
- RTECS-Nr.
- AK3000000
- risk_code
- 10-14-22-34-40-20/21/22-11
- Toxizität
- LD50 orally in Rabbit: 1580 mg/kg
- hazard_code
- C,Xn,F
- safety_code
- 26-36/37/39-45-7/8-43A-36-30-23-16-7/9
- hazard_class
- 8
- packing_group
- II
- Speicherklasse
- 3 - Flammable liquids
- Hazard Classifications
- Acute Tox. 4 OralFlam. Liq. 3Skin Corr. 1B
Chemie und Industrie
Anwendungen
VerwendenN,O-Bis(trimethylsilyl)acetamide is a powerful silylating agent; reacts with a wide range of functional groups.BSA was used to trimethylsilylate the hydroxyl group of 12 selectively to form in almost quantitative yield (eq 32).The presence of catalytic amounts (~0.02 equiv) of tetrabutylammonium fluoride (TBAF) significantly promoted the silylation of alcohols under mild conditions with high chemoselectivity, i.e., TBAF plays a role as a smooth silyl transfer catalyst from nitrogen to the hydroxyl group.
Darstellung
synthetischeN,O-Bis(trimethylsilyl)acetamide is made by the reaction of acetamide with a large excess of chlorotrimethylsilane in the presence of triethylamine.
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