吡喃是六元杂环,非芳香环,由五个碳原子和一个氧原子组成,并含有两个双键。分子式为C5H6O,吡喃有两个异构体,其位置与双键的位置不同。在2H吡喃中,饱和碳处于位置2,而在4H-吡喃中,饱和碳位于位置4。

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按化学元素: CINO C CFOS CCaO CBrNO COS CBO CClNOS COSe CBrO COSi CClOS CBrOS CNO CFNO CNOS CNaO CBFKO CBrNOS CO CFNOS CClNO CFO CClO CBFO CIO 更多

22153-44-2 ((2R,3S,4S,5R,6S)-6-((5,7-Dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl 3-(4-hydroxyphenyl)acrylate ((2R,3S,4S,5R,6S)-6-((5,7-二羟基-2-(4-羟基苯基)-4-氧代-4H-苯并吡喃-3-基)氧基)-3,4,5-三羟基四氢-2H-吡喃-2-基)甲基 3-(4-羟基苯)丙烯酸酯
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82517-12-2 5-Methyl-7-Methoxyisoflavone 7-甲氧基-5-甲基-3-苯基-4H-1-苯并吡喃-4-酮
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92117-94-7 7-Hydroxy-3-(4-methoxyphenyl)-8-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4H-chromen-4-one 7-羟基-3-(4-甲氧基苯基)-8-((2S,3R,4R,5S,6R)-3,4,5-三羟基-6-(羟甲基)四氢-2H-吡喃-2-基)-4H-苯并吡喃-4-酮
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110623-72-8 3-(((2S,3R,4R,5R,6S)-4,5-Dihydroxy-6-methyl-3-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-5-hydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-en-1-yl)-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one 3-(((2S,3R,4R,5R,6S)-4,5-二羟基-6-甲基-3-(((2S,3R,4S,5S,6R)-3,4,5-三羟基-6-(羟甲基)四氢-2H-吡喃-2-基)氧基)四氢-2H-吡喃-2-基)氧基)-5-羟基-2-(4-甲氧基苯基)-8-(3-甲基丁-2-烯-1-基)-7-(((2S,3R,4S,5S,6R)-3,4,5-三羟基-6-(羟甲基)四氢-2H-吡喃-2-基)氧基)-4H-苯并吡喃-4-酮
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132559-91-2 4-Bromo-6-methyl-2H-pyran-2-one 4-溴-6-甲基-2H-吡喃-2-酮
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