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Α-elimination

Term · Chemistry · MLC-T-CHM-000303

An elimination reaction where two atoms or groups are removed from the same carbon atom, resulting in the formation of a carbene or a related reactive intermediate. This process typically involves the removal of a proton and a leaving group from the same carbon. A classic example is the generation of dichlorocarbene from chloroform under basic conditions.

Table 1. Record
IdentifierMLC-T-CHM-000303
FieldChemistry
SubjectOrganic and Biomolecular Chemistry
ReferencesPAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1088 (https://doi.org/10.1351/pac199466051077); PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 302 (https://doi.org/10.1351/pac200779030293)
See alsoΑ-cleavage; Central atom; Transformation; Α-addition; Chromophore
Record as JSON
{
  "id": "MLC-T-CHM-000303",
  "term": "Α-elimination",
  "field": "Chemistry",
  "definition": "An elimination reaction where two atoms or groups are removed from the same carbon atom, resulting in the formation of a carbene or a related reactive intermediate. This process typically involves the removal of a proton and a leaving group from the same carbon. A classic example is the generation of dichlorocarbene from chloroform under basic conditions.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "α-cleavage",
    "central atom",
    "transformation",
    "α-addition",
    "chromophore"
  ],
  "references": [
    "PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1088 (https://doi.org/10.1351/pac199466051077)",
    "PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 302 (https://doi.org/10.1351/pac200779030293)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/a-elimination/"
}

Record 320 of 13,676 in Chemistry terminology (MLC-0109). Request the full dataset.