substituted aldehydes

  • 41Ene reaction — The Ene reaction (also known as the Alder ene reaction) is a chemical reaction between an alkene with an allylic hydrogen (the ene) and a compound containing a multiple bond (the enophile), in order to form a new σ bond with migration of the ene… …

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  • 422,4-Dinitrophenylhydrazine — 2,4 Dinitrophenylhydrazine …

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  • 43Nitroaldol reaction — The Henry Reaction (also referred to as the nitro aldol reaction) is a classic carbon–carbon bond formation reaction in organic chemistry. Discovered in 1895 by L. Henry, it is the combination of a nitroalkane and an aldehyde or ketone in the… …

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  • 44Zincke reaction — The Zincke reaction is an organic reaction in which a pyridine is transformed into a pyridinium salt by reaction with 2,4 dinitro chlorobenzene and a primary amine, named after Theodor Zincke. [cite journal title = Ueber… …

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  • 45Chichibabin pyridine synthesis — Not to be confused with Chichibabin reaction. The Chichibabin pyridine synthesis (pronounced (chē ) chē bā bēn) is a method for synthesizing pyridine rings. In its general form, the reaction can can be described as a condensation reaction of… …

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  • 46organohalogen compound — Introduction  any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… …

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  • 47Manganese-mediated coupling reactions — are radical coupling reactions between enolizable carbonyl compounds and unsaturated compounds initiated by a manganese(III) salt, typically manganese(III) acetate. Copper(II) acetate is sometimes used as a co oxidant to assist in the oxidation… …

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  • 48Meyer–Schuster rearrangement — The Meyer Schuster rearrangement is the chemical reaction described as an acid catalyzed rearrangement of secondary and tertiary propargyl alcohols to α,β unsaturated ketones if the alkyne group is internal and α,β unsaturated aldehydes if the… …

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  • 49Organoruthenium chemistry — is the chemistry of organometallic compounds containing a carbon to ruthenium chemical bond.[1] The interest is mostly academic although several organoruthenium catalysts are of commercial interest. The chemistry has many similarities with… …

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  • 50thi|o|al|de|hyde — «THY oh AL duh hyd», noun. any compound of a group produced by treating aldehydes with hydrogen sulfides, and considered as aldehydes with sulfur substituted for the oxygen …

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