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  2. Electrophilic aromatic directing groups - Wikipedia

    en.wikipedia.org/wiki/Electrophilic_aromatic...

    An electron donating group (EDG) or electron releasing group (ERG, Z in structural formulas) is an atom or functional group that donates some of its electron density into a conjugated π system via resonance (mesomerism) or inductive effects (or induction)—called +M or +I effects, respectively—thus making the π system more nucleophilic.

  3. The Best Costco Coffee, According to Superfans - AOL

    www.aol.com/finance/best-coffee-buy-costco...

    Here's the best Costco coffee that you can brew at home. ... San Francisco Bay Coffee - Organic Rainforest Blend. Price: $40 (3.5 pounds) from Costco.com. Blend: 100% Arabica.

  4. Knowing what you’re like, you coffee fiend, you probably even have a preferred hectare of rainforest to source your coffee beans from. And I get that too. And I get that too. I wish I felt the ...

  5. Organic coffee - Wikipedia

    en.wikipedia.org/wiki/Organic_coffee

    Due to organic coffee's higher value (it has the greatest value of any organic import in North America) than that of conventional coffee, it only takes up approximately 3% in volume of North America's coffee market, yet its piece of the market concerning value is slightly greater than that of conventional coffee. Organic coffee accounts for ...

  6. List of chemical compounds in coffee - Wikipedia

    en.wikipedia.org/wiki/List_of_chemical_compounds...

    Interactions between chemical compounds also is a frequent area of taxonomy, as are the major organic chemistry categories (protein, carbohydrate, lipid, etc.) that are relevant to the field. In the field of aroma and flavor alone, Flament gives a list of 300 contributing chemicals in green beans, and over 850 after roasting.

  7. Sustainable coffee - Wikipedia

    en.wikipedia.org/wiki/Sustainable_coffee

    Sustainable coffee is a coffee that is grown and marketed for its sustainability. This includes coffee certified as organic , fair trade , and Rainforest Alliance . Coffee has a number of classifications used to determine the participation of growers (or the supply chain) in various combinations of social, environmental, and economic standards.

  8. Captodative effect - Wikipedia

    en.wikipedia.org/wiki/Captodative_effect

    Delocalizing the radical ion stabilizes the transition state structure. As a result, the energy of activation decreases, enhancing the rate of the overall reaction. According to the captodative effect, the rate of a reaction is the greatest when both the EDG and EWG are able to delocalize the radical ion in the transition state structure. [7]

  9. Electron-withdrawing group - Wikipedia

    en.wikipedia.org/wiki/Electron-withdrawing_group

    An electron-withdrawing group (EWG) is a group or atom that has the ability to draw electron density toward itself and away from other adjacent atoms. [1] This electron density transfer is often achieved by resonance or inductive effects.

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