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  2. Enamine - Wikipedia

    en.wikipedia.org/wiki/Enamine

    Enamines act as nucleophiles that require less acid/base activation for reactivity than their enolate counterparts. They have also been shown to offer a greater selectivity with less side reactions. There is a gradient of reactivity among different enamine types, with a greater reactivity offered by ketone enamines than their aldehyde ...

  3. Free base - Wikipedia

    en.wikipedia.org/wiki/Free_base

    Free base (freebase, free-base) is a descriptor for the neutral form of an amine commonly used in reference to illicit drugs. The amine is often an alkaloid , such as nicotine , cocaine , morphine , and ephedrine , or derivatives thereof.

  4. Amine - Wikipedia

    en.wikipedia.org/wiki/Amine

    Amine. In chemistry, amines (/ ə ˈ m iː n, ˈ æ m iː n /, [1] [2] UK also / ˈ eɪ m iː n / [3]) are compounds and functional groups that contain a basic nitrogen atom with a lone pair.Formally, amines are derivatives of ammonia (NH 3), wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group [4] (these may respectively be called alkylamines ...

  5. Electrophilic amination - Wikipedia

    en.wikipedia.org/wiki/Electrophilic_amination

    A nitrogen bound to both a good electrofuge and a good nucleofuge is known as a nitrenoid (for its resemblance to a nitrene). [2] Nitrenes lack a full octet of electrons are thus highly electrophilic; nitrenoids exhibit analogous behavior and are often good substrates for electrophilic amination reactions.

  6. Amine alkylation - Wikipedia

    en.wikipedia.org/wiki/Amine_alkylation

    Amine alkylation (amino-dehalogenation) is a type of organic reaction between an alkyl halide and ammonia or an amine. [1] The reaction is called nucleophilic aliphatic substitution (of the halide), and the reaction product is a higher substituted amine.

  7. AOL

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  8. Fantasy football Start 'Em, Sit 'Em: Players to start or sit ...

    www.aol.com/fantasy-football-start-em-sit...

    Four games are in the books for Week 13 but there's still a lot of action to go in fantasy football. Here are players to start or sit this week.

  9. 2024-2025 MLB free agents: Juan Soto, Corbin Burnes ... - AOL

    www.aol.com/2024-2025-mlb-free-agents-161322732.html

    This winter's class of free agents is full of former All-Star's and Cy Young winners. A team-by-team look of players hitting the market. 2024-2025 MLB free agents: Juan Soto, Corbin Burnes ...