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  2. Scandium(III) trifluoromethanesulfonate - Wikipedia

    en.wikipedia.org/wiki/Scandium(III)_trifluorome...

    Scandium trifluoromethanesulfonate, commonly called scandium triflate, is a chemical compound with formula Sc(SO 3 CF 3) 3, a salt consisting of scandium cations Sc 3+ and triflate SO 3 CF − 3 anions. Scandium triflate is used as a reagent in organic chemistry as a Lewis acid. [1]

  3. Triflate - Wikipedia

    en.wikipedia.org/wiki/Triflate

    In organic chemistry, triflate (systematic name: trifluoromethanesulfonate), is a functional group with the formula R−OSO 2 CF 3 and structure R−O−S(=O) 2 −CF 3. The triflate group is often represented by −OTf, as opposed to −Tf, which is the triflyl group, R−SO 2 CF 3. For example, n-butyl triflate can be written as CH 3 CH 2 CH ...

  4. What Is a 1040 Tax Form? 3 Things To Know Before You File - AOL

    www.aol.com/1040-tax-form-3-things-001143148.html

    No, a 1040 is not the same as a W-2, but you use the information included on a W-2 to complete the 1040 form. A W-2 is the form employers use to report the wages paid to an employee during the year.

  5. Lanthanide trifluoromethanesulfonates - Wikipedia

    en.wikipedia.org/wiki/Lanthanide_trifluorome...

    Lanthanide triflates are proposed for Friedel-Crafts acylations and alkylations, which are often carried out with AlCl 3 as the catalyst in an organic solvent. The nature of the Friedel-Craft reaction, especially the acylation, forces the AlCl 3 to irreversibly complex with any oxygen-containing group in the product, with the only way of decomplexing it being to destroy the AlCl 3 part with ...

  6. List of CAS numbers by chemical compound - Wikipedia

    en.wikipedia.org/wiki/List_of_CAS_numbers_by...

    Be(NO 3) 2: beryllium nitrate: 13597–99–4 Be(NO 3) 2 •4H 2 O: beryllium nitrate tetrahydrate: 13510–48–0 Be(NO 3) 2 •3H 2 O: beryllium nitrate trihydrate: 7787–55–5 BeO: beryllium oxide: 1304–56–9 Be(OH) 2: beryllium hydroxide: 13327–32–7 BeS: beryllium sulfide: 13598–22–6 BeSO 4: beryllium sulfate: 13510–49–1 ...

  7. Mailing Your Federal Tax Return? Here’s Exactly Where ... - AOL

    www.aol.com/mailing-federal-tax-return-exactly...

    The most common forms are the 1040 and 1040-SR, but the addresses for form 1040-X, which is used to make edits to your tax return, are also included. Filing Addresses for Form 1040 and 1040-SR

  8. Form 1040 - Wikipedia

    en.wikipedia.org/wiki/Form_1040

    Form 1040-X (officially, the "Amended U.S. Individual Tax Return") is used to make corrections on Form 1040, Form 1040A, and Form 1040EZ tax returns that have been previously filed (note: forms 1040-A and 1040-EZ were discontinued starting with tax year 2018, but a 1040X may still be filed amending one of these tax forms filed for previous years).

  9. Hafnium trifluoromethanesulfonate - Wikipedia

    en.wikipedia.org/wiki/Hafnium_trifluoromethanes...

    Hf(OTf) 4 accelerated the reaction rate under milder conditions with only 0.1 mol% catalyst loading. For example, Hf(OTf) 4 catalyzes the reaction between benzaldehyde and 2.0 equiv. of either ethanethiol or 1.0 equiv. of propane-1,3,-dithiol readily in quantitative yield. Hf(OTf) 4 catalyzed thioacetalization of benzaldehyde

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