"chromans" meaning in English

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          "text": "Next, a competing functional group (OH in 4-mercaptophenol 2 i) was investigated, as phenols have been shown to form chromans or Friedel–Crafts allylation products under gold-catalysis with allylic alcohols. Pleasingly, the reaction proceeds chemoselectively at the thiophenol site, although the yield is somewhat lower than with other thiophenols (49 %, entry 9).",
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  "word": "chromans"
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2014 July 30, Lorena Herkert et al., “Gold(I)-Catalysed Direct Thioetherifications Using Allylic Alcohols: an Experimental and Computational Study”, in Chemistry (Weinheim an Der Bergstrasse, Germany), volume 20, →DOI:",
          "text": "Next, a competing functional group (OH in 4-mercaptophenol 2 i) was investigated, as phenols have been shown to form chromans or Friedel–Crafts allylation products under gold-catalysis with allylic alcohols. Pleasingly, the reaction proceeds chemoselectively at the thiophenol site, although the yield is somewhat lower than with other thiophenols (49 %, entry 9).",
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        "plural of chroman"
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