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The walled Nahr Abu Ali at Tripoli. Tripoli ( Arabic: طرابلس, ALA-LC: Ṭarābulus [a]) is the largest and most important city in northern Lebanon and the second-largest city in the country. [2] Situated 81 km (50 mi) north of the capital Beirut, it is the capital of the North Governorate and the Tripoli District.
Trimethylsilyl chloride, also known as chlorotrimethylsilane is an organosilicon compound ( silyl halide ), with the formula (CH3)3SiCl, often abbreviated Me3SiCl or TMSCl. It is a colourless volatile liquid that is stable in the absence of water. It is widely used in organic chemistry.
Trimethylsilyl trifluoromethanesulfonate ( TMSOTf) is an organosilicon compound with the formula (CH3)3SiO3SCF3. It is a colorless moisture-sensitive liquid. It is the trifluoromethanesulfonate derivative of trimethylsilyl. [1] It is mainly used to activate ketones and aldehydes in organic synthesis .
May 23, 2024 at 7:40 AM. BEIRUT (AP) — Poverty in Lebanon tripled over the course of a decade during which the small Mediterranean country slid into a protracted financial crisis, the World Bank ...
May 20, 2024 at 3:11 AM. BEIRUT (Reuters) - Lebanon and Syria on Monday announced three days of national mourning for the Iranian president and foreign minister, who were killed in a helicopter ...
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Silyl ether. Silyl ethers are a group of chemical compounds which contain a silicon atom covalently bonded to an alkoxy group. The general structure is R 1 R 2 R 3 Si−O−R 4 where R 4 is an alkyl group or an aryl group. Silyl ethers are usually used as protecting groups for alcohols in organic synthesis. Since R 1 R 2 R 3 can be combinations ...
Toyota Motor North America (TMNA) is the operating subsidiary that oversees all operations of the Toyota Motor Corporation in Canada, Mexico, and the United States. Its operations include research and development, manufacturing, sales, marketing, after sales and corporate functions, which are controlled by TMNA but sometimes executed by other subsidiaries and holding companies.