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  2. Simplified Molecular Input Line Entry System - Wikipedia

    en.wikipedia.org/wiki/Simplified_Molecular_Input...

    SMILES generation algorithm for ciprofloxacin: break cycles, then write as branches off a main backbone. The Simplified Molecular Input Line Entry System (SMILES) is a specification in the form of a line notation for describing the structure of chemical species using short ASCII strings.

  3. List of reagents - Wikipedia

    en.wikipedia.org/wiki/List_of_reagents

    is an alkaline solution of potassium permanganate; used in organic chemistry as a qualitative test for the presence of unsaturation, such as double bonds; N-Bromosuccinimide: used in radical substitution and electrophilic addition reactions in organic chemistry. Also acts as a mild oxidizer to oxidize benzylic or allylic alcohols.

  4. Substituent - Wikipedia

    en.wikipedia.org/wiki/Substituent

    In organic chemistry, a substituent is one or a group of atoms that replaces (one or more) atoms, thereby becoming a moiety in the resultant (new) molecule. [1] ( In organic chemistry and biochemistry, the terms substituent and functional group, as well as side chain and pendant group, are used almost interchangeably to describe those branches from the parent structure, [2] though certain ...

  5. List of boiling and freezing information of solvents - Wikipedia

    en.wikipedia.org/wiki/List_of_boiling_and...

    This Wikipedia page provides a comprehensive list of boiling and freezing points for various solvents.

  6. Cheat sheet - Wikipedia

    en.wikipedia.org/wiki/Cheat_sheet

    A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's ...

  7. List of organic reactions - Wikipedia

    en.wikipedia.org/wiki/List_of_organic_reactions

    1,2-Wittig rearrangement; 2,3-Wittig rearrangement; Wittig–Horner reaction; Wohl degradation; Wohl–Aue reaction; Wohler synthesis; Wohl–Ziegler reaction; Wolffenstein–Böters reaction; Wolff rearrangement; Wolff–Kishner reduction; Woodward cis-hydroxylation; Woodward–Hoffmann rule; Wulff–Dötz reaction; Wurtz coupling, Wurtz ...

  8. Organomercury chemistry - Wikipedia

    en.wikipedia.org/wiki/Organomercury_chemistry

    The Hg 2+ center binds to alkenes, inducing the addition of hydroxide and alkoxide. For example, treatment of methyl acrylate with mercuric acetate in methanol gives an α--mercuri ester: [8] Hg(O 2 CCH 3) 2 + CH 2 =CHCO 2 CH 3 → CH 3 OCH 2 CH(HgO 2 CCH 3)CO 2 CH 3. The resulting Hg-C bond can be cleaved with bromine to give the corresponding ...

  9. Organozinc chemistry - Wikipedia

    en.wikipedia.org/wiki/Organozinc_chemistry

    Bonding in R 2 Zn is described as employing sp-hybridized orbitals on Zn. [2] These structures cause zinc to have two bonding d-orbitals and three low-lying non-bonding d-orbitals (see non-bonding orbital), which are available for binding. When zinc lacks electron donating ligands it is unable to obtain coordination saturation, which is a ...