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2. Elimination reaction - Wikipedia

   en.wikipedia.org/wiki/Elimination_reaction

   Elimination reaction of cyclohexanol to cyclohexene with sulfuric acid and heat [1] An elimination reaction is a type of organic reaction in which two substituents are removed from a molecule in either a one- or two-step mechanism. [2] The one-step mechanism is known as the E2 reaction, and the two-step mechanism is known as the E1 reaction ...

3. Porphobilinogen deaminase - Wikipedia

   en.wikipedia.org/wiki/Porphobilinogen_deaminase

   Full PBG Deaminase Mechanism. The first step is believed to involve an E1 elimination of ammonia from porphobilinogen, generating a carbocation intermediate (1). [10] This intermediate is then attacked by the dipyrrole cofactor of porphobilinogen deaminase, which after losing a proton yields a trimer covalently bound to the enzyme (2).

4. E1cB-elimination reaction - Wikipedia

   en.wikipedia.org/wiki/E1cB-elimination_reaction

   All elimination reactions involve the removal of two substituents from a pair of atoms in a compound. Alkene, alkynes, or similar heteroatom variations (such as carbonyl and cyano) will form. The E1cB mechanism is just one of three types of elimination reaction. The other two elimination reactions are E1 and E2 reactions.

5. Ei mechanism - Wikipedia

   en.wikipedia.org/wiki/Ei_mechanism

   In organic chemistry, the E i mechanism (Elimination Internal/Intramolecular), also known as a thermal syn elimination or a pericyclic syn elimination, is a special type of elimination reaction in which two vicinal (adjacent) substituents on an alkane framework leave simultaneously via a cyclic transition state to form an alkene in a syn elimination. [1]

6. File:E1-eliminationNash2008.svg - Wikipedia

   en.wikipedia.org/wiki/File:E1-eliminationNash...

   Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

7. Military helicopter makes emergency landing on California ...

   www.aol.com/military-helicopter-makes-emergency...

   Flames could be seen where a military helicopter made an emergency landing at Camp Pendleton on Friday, causing police to warn drivers of potential traffic delays along Interstate 5. All four crew ...