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General reaction scheme for the S N 1 reaction. The leaving group is denoted "X", and the nucleophile is denoted "Nu–H". The unimolecular nucleophilic substitution (S N 1) reaction is a substitution reaction in organic chemistry.
Sistema Nacional de Investigadores (National System of Researchers) or SNI is a governmental agency established in Mexico in 1984 to promote both the quantity and quality of research in Mexico, especially in the sciences.
In chemistry, S N i (substitution nucleophilic internal) refers to a specific, regio-selective but not often encountered reaction mechanism for nucleophilic aliphatic substitution.
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SN1 may refer to: SN1 reaction, a type of organic chemical reaction (7990) 1981 SN1, a Main Belt minor planet (7058) 1990 SN1, a main-belt minor planet;
Kinetics are actually somewhere between SN1+ and SN2-. Admittedly this an easy simplification for high school or freshman Chemistry. Shjacks45 19:35, 21 September 2013 (UTC) Yeah because DMSO favors SN2 in that situation, of course you're going to get both situations. Secondary SN1 is a bit controversial, but this isn't data.