N,O-bis(trimethylsilyl)acetamide
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Danger
H226 (97.8%): Flammable liquid and vapor [Warning Flammable liquids]
P210, P233, P240, P241, P242, P243, P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P330, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 91 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Chemical: Ethanimidic acid, N-(trimethylsilyl)-, trimethylsilyl ester
Status: Active Update: 04-10-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/34060
Trimethylsilyl N-trimethylsilylacetamidate: Does not have an individual approval but may be used under an appropriate group standard
Causes decreased immune response in intraperitoneal lethal-dose studies of mice (LD50 = 750 mg/kg); [RTECS] Reacts violently with water; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; [Alfa Aesar MSDS]
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.
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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