"Darzens reaction" meaning in English

{
  "etymology_text": "Discovered in 1904 by Auguste George Darzens.",
  "forms": [
    {
      "form": "Darzens reactions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Darzens reaction (plural Darzens reactions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Chemical reactions",
          "orig": "en:Chemical reactions",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The chemical reaction of a ketone or aldehyde with an α-haloester in the presence of base to form an α,β-epoxy ester."
      ],
      "id": "en-Darzens_reaction-en-noun-l5NtQLG1",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "chemical reaction",
          "chemical reaction"
        ],
        [
          "ketone",
          "ketone"
        ],
        [
          "aldehyde",
          "aldehyde"
        ],
        [
          "haloester",
          "haloester"
        ],
        [
          "base",
          "base"
        ],
        [
          "epoxy",
          "epoxy"
        ],
        [
          "ester",
          "ester"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The chemical reaction of a ketone or aldehyde with an α-haloester in the presence of base to form an α,β-epoxy ester."
      ],
      "synonyms": [
        {
          "word": "Darzens condensation"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "Darzens reaction"
}

{
  "etymology_text": "Discovered in 1904 by Auguste George Darzens.",
  "forms": [
    {
      "form": "Darzens reactions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Darzens reaction (plural Darzens reactions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Chemical reactions",
        "en:Organic chemistry"
      ],
      "glosses": [
        "The chemical reaction of a ketone or aldehyde with an α-haloester in the presence of base to form an α,β-epoxy ester."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "chemical reaction",
          "chemical reaction"
        ],
        [
          "ketone",
          "ketone"
        ],
        [
          "aldehyde",
          "aldehyde"
        ],
        [
          "haloester",
          "haloester"
        ],
        [
          "base",
          "base"
        ],
        [
          "epoxy",
          "epoxy"
        ],
        [
          "ester",
          "ester"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The chemical reaction of a ketone or aldehyde with an α-haloester in the presence of base to form an α,β-epoxy ester."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Darzens condensation"
    }
  ],
  "word": "Darzens reaction"
}