"Curtius rearrangement" meaning in English

{
  "etymology_text": "Introduced by Theodor Curtius in 1885.",
  "forms": [
    {
      "form": "Curtius rearrangements",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Curtius rearrangement (plural Curtius rearrangements)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemical reactions",
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            "Fundamental"
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
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          "kind": "topical",
          "langcode": "en",
          "name": "Physical chemistry",
          "orig": "en:Physical chemistry",
          "parents": [
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            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "photo-Curtius rearrangement"
        }
      ],
      "glosses": [
        "The thermal decomposition of an acyl azide to an isocyanate with loss of nitrogen gas. The isocyanate then undergoes attack by a variety of nucleophiles such as water, alcohols and amines, to yield a primary amine, carbamate or urea derivative respectively."
      ],
      "id": "en-Curtius_rearrangement-en-noun-uPxbD1R~",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "physical chemistry",
          "physical chemistry"
        ],
        [
          "thermal",
          "thermal"
        ],
        [
          "decomposition",
          "decomposition"
        ],
        [
          "acyl",
          "acyl"
        ],
        [
          "azide",
          "azide"
        ],
        [
          "isocyanate",
          "isocyanate"
        ],
        [
          "nitrogen",
          "nitrogen"
        ],
        [
          "gas",
          "gas"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry, physical chemistry) The thermal decomposition of an acyl azide to an isocyanate with loss of nitrogen gas. The isocyanate then undergoes attack by a variety of nucleophiles such as water, alcohols and amines, to yield a primary amine, carbamate or urea derivative respectively."
      ],
      "synonyms": [
        {
          "word": "Curtius degradation"
        },
        {
          "word": "Curtius reaction"
        }
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "Curtius rearrangement"
}

{
  "derived": [
    {
      "word": "photo-Curtius rearrangement"
    }
  ],
  "etymology_text": "Introduced by Theodor Curtius in 1885.",
  "forms": [
    {
      "form": "Curtius rearrangements",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Curtius rearrangement (plural Curtius rearrangements)",
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  "pos": "noun",
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        "en:Chemical reactions",
        "en:Organic chemistry",
        "en:Physical chemistry"
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      "glosses": [
        "The thermal decomposition of an acyl azide to an isocyanate with loss of nitrogen gas. The isocyanate then undergoes attack by a variety of nucleophiles such as water, alcohols and amines, to yield a primary amine, carbamate or urea derivative respectively."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "physical chemistry",
          "physical chemistry"
        ],
        [
          "thermal",
          "thermal"
        ],
        [
          "decomposition",
          "decomposition"
        ],
        [
          "acyl",
          "acyl"
        ],
        [
          "azide",
          "azide"
        ],
        [
          "isocyanate",
          "isocyanate"
        ],
        [
          "nitrogen",
          "nitrogen"
        ],
        [
          "gas",
          "gas"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry, physical chemistry) The thermal decomposition of an acyl azide to an isocyanate with loss of nitrogen gas. The isocyanate then undergoes attack by a variety of nucleophiles such as water, alcohols and amines, to yield a primary amine, carbamate or urea derivative respectively."
      ],
      "synonyms": [
        {
          "word": "Curtius degradation"
        },
        {
          "word": "Curtius reaction"
        }
      ],
      "tags": [
        "physical"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "Curtius rearrangement"
}