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144-79-6 - Chloro(methyl)diphenylsilane, 97% - Chlorodiphenylmethylsilane - Diphenylmethylchlorosilane - L04162 - Alfa Aesar

L04162 Chloro(methyl)diphenylsilane, 97%

CAS-Nummer
144-79-6
Synonyme
Chlorodiphenylmethylsilane
Diphenylmethylchlorosilane

Größe Preis ($) Menge Verfügbarkeit
10g 31,93
50g 107,12
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Chloro(methyl)diphenylsilane, 97%

MDL
MFCD00000498
EINECS
205-639-0

Chemische Eigenschaften

Formel
C13H13ClSi
Molmasse
232.79
Siedepunkt
294-295°
Flammpunkt
141°(285°F)
Dichte
1.104
Brechungsindex
1.5740
Sensitivität
Moisture Sensitive
Löslichkeit
Reacts with water.

Anwendungen

Chloro(methyl)diphenylsilane is used in agrochemical, pharmaceutical and dyestuff field .

Bemerkungen

Moisture Sensitive. Store away from strong bases. Incompatible with moisture and bases.

Literaturverweise

Filippo Marchioni; Kurt Star; Erik Menke; Thierry Buffeteau; Laurent Servant; Bruce Dunn and Fred Wud. Protection of Lithium Metal Surfaces Using Chlorosilanes.Anal. Chem.2007, 23 (23), 11597-11602.

Silylating agent (see Appendix 4) for formation, in the presence of a base such as imidazole in DMF, of DPMS ethers, intermediate in hydrolytic stabilty between TMS and TBDMS. DPMS ethers are incompatible with acid, base, BuLi, Cr(VI) oxidants and LIAlH4, but stable to silica chromatography: J. Org. Chem., 52, 165 (1987). They can be cleaved with mild acid or base, or F-. Selective cleavage in high yield in the presence of TBDMS or TBDPS ethers with NaN3 in DMF was reported: J. Chem. Soc., Chem. Commun., 381 (1989).

In reactions with lithiated esters and lactones C-silylation predominates. The resulting ɑ-DPMS esters behave as vinyl dication equivalents: J. Am. Chem. Soc., 103, 2418 (1981); Pure Appl. Chem., 62, 2021 (1990), useful precursors of, e.g.: terminal alkenes: Synth. Commun., 13, 1163 (1983); 1,1-disubstituted alkenes: Tetrahedron Lett., 23, 271 (1982); Org. Synth. Coll., 8, 474 (1993); ß-keto silanes and ketones: J. Org. Chem., 50, 5260 (1985); 58, 2718 (1993):

TBDMS esters react with aldehydes and ketones to give ß-hydroxy silanes, which undergo Peterson elimination to ɑ-substituted ɑß-unsaturated esters: J. Org. Chem., 49, 3385 (1984).

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Sicherheitshinweise: P280-P303+P361+P353-P305+P351+P338-P310

Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician.

Weitere Referenzen

Beilstein
2937445
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2931.90
TSCA
Yes

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