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1,4,7-Trimethyl-1,4,7-triazacyclononane is the aza-crown ether with the formula (CH 2 CH 2 NCH 3) 3. This colorless liquid is the N-methylated derivative of triazacyclononane (TACN), a face-capping tridentate ligand that is popular in coordination chemistry. Although TACN is known for forming 2:1 "sandwich" complexes with many metal ions, [1 ...
1,4,7-Triazacyclononane, known as "TACN" which is pronounced "tack-en," is an aza-crown ether with the formula (C 2 H 4 NH) 3. [ 1] TACN is derived, formally speaking, from cyclononane by replacing three equidistant CH 2 groups with NH groups. TACN is one of the oligomers derived from aziridine, C 2 H 4 NH. Other members of the series include ...
[7]: 3 Counterfeit products made up 5 to 7% of world trade in 2013, [8] [9] and in 2014 cost an estimated 2.5 million jobs worldwide, [10] with up to 750,000 jobs lost in the U.S. [11] [12] About 5% of goods imported into the European Union in 2013 were fakes, according to the OECD.
Despite these gains, Nvidia stock fell more than 6% on Monday as the "Mag Seven" stocks suffered a valuation wipeout of more than $650 billion during Monday's market plunge. The iconic group has ...
The iPhone X ( Roman numeral "X" pronounced "ten" [ 13]) is a smartphone designed, developed and marketed by Apple. It is part of the 11th generation of the iPhone. Available for pre-order from October 27, 2017, it was released on November 3, 2017. The naming of the iPhone X (skipping the iPhone 9 and 9s) marked the 10th anniversary of the iPhone.
Sales for the app family rose about $7 billion year over year. Meta stock has rallied 7.5% since the company's Aug. 1 earnings report, according to Yahoo Finance data. Shares are still off by 4% ...
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Google's Pixel 9 Pro Fold features a new design, along with an improved front screen and better rear cameras. (Google) (Google) And now, with its Pixel 9 phones, Google is angling to prove that ...