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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705-86-2 6-Pentyltetrahydro-2H-pyran-2-one 6-戊基四氢-2H-吡喃-2-酮
BJS9332495705-86-297%
¥55.0025g
542-28-9 Tetrahydro-2H-pyran-2-one 四氢-2H-吡喃-2-酮
BJS7409308542-28-998% may contain polymer
¥57.00100g
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
BJS218204522153-44-298%
¥6815.0025mg
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
BJS707735682517-12-298%
¥580.001g
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
BJS457491892117-94-798%
¥4324.005mg
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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¥1361.0010mg
132559-91-2 4-Bromo-6-methyl-2H-pyran-2-one 4-溴-6-甲基-2H-吡喃-2-酮
BJS7622792132559-91-297%
¥1403.00100mg
1295500-81-0 4-Hydroxy-6-methyl-3-(2-methylthiazol-4-yl)-2H-pyran-2-one 4-羟基-6-甲基-3-(2-甲基噻唑-4-基)-2H-吡喃-2-酮
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¥9584.001g
91-44-1 7-(Diethylamino)-4-methyl-2H-chromen-2-one 7-二乙氨基-4-甲基-2H-苯并吡喃-2-酮
BJS933863691-44-198%
¥65.0025g
220809-37-0 4-Hydroxy-6-isopropyl-2H-pyran-2-one 4-羟基-6-异丙基-2H-吡喃-2-酮
BJS6261600220809-37-098%
¥2381.00250mg
87081-35-4 (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-Ethyl-6-hydroxy-3,5,7,9,11,15-hexamethyl-19-((2S,3S)-3-methyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-8-oxononadeca-2,10,12,16,18-pentaenoic acid (2E,5S,6R,7S,9R,10E,12E,15R,16Z,18E)-17-乙基-6-羟基-3,5,7,9,11,15-六甲基-19-((2S,3S)-3-甲基-6-氧代-3,6-二氢-2H-吡喃-2-基)-8-氧杂代十九烷-2,10,12,16,18-戊酸
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¥4450.0010mg
1029-94-3 2,6-Diphenyl-4H-pyran-4-one 2,6-二苯基-4H-吡喃-4-酮
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¥4744.005g
32174-62-2 5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-chromen-4-one 5-羟基-2-(3-羟基-4-甲氧基苯基)-7-甲氧基-4H-苯并吡喃-4-酮
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¥2657.0010mg
10226-28-5 Ethyl 6-methyl-3,4-dihydro-2H-pyran-5-carboxylate 6-甲基-3,4-二氢-2H-吡喃-5-羧酸乙酯
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56701-24-7 DL-Vestitol 3-(2-羟基-4-甲氧基苯基)苯并二氢吡喃-7-醇
BJS196971756701-24-798%
¥2043.0025mg
110623-73-9 3-(((2S,3R,4R,5R,6S)-4,5-Dihydroxy-6-methyl-3-(((2S,3R,4S,5R)-3,4,5-trihydroxytetrahydro-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,5R)-3,4,5-三羟基四氢-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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¥693.005mg
1202918-24-8 (E)-3-(5-((5-chloro-2-oxoindolin-3-ylidene)Methyl)furan-2-yl)benzoic acid (E)-3-(5-((5-氯-2-氧代吲哚-3-亚基)甲基)呋喃-2-基)苯甲酸
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¥2854.00250mg
14101-61-2 (R)-2,7,8-Trimethyl-2-((3E,7E)-4,8,12-trimethyltrideca-3,7,11-trien-1-yl)chroman-6-ol (R)-2,7,8-三甲基-2-((3E,7E)-4,8,12-三甲基十三烷-3,7,11-三烯-1-基)苯并二氢吡喃-6-醇
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¥3572.0025mg
35110-20-4 (2S,3S,4S,5R,6S)-3,4,5-Trihydroxy-6-((5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid (2S,3S,4S,5R,6S)-3,4,5-三羟基-6-((5-羟基-2-(3-羟基-4-甲氧基苯基)-4-氧代-4H-苯并吡喃-7-基)氧基)四氢-2H-吡喃-2-羧酸
BJS280084535110-20-498%
¥4416.005mg
76015-42-4 5,7-Dihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-6-methoxy-4H-chromen-4-one 5,7-二羟基-2-(4-羟基-3,5-二甲氧基苯基)-6-甲氧基-4H-苯并吡喃-4-酮
BJS355636576015-42-498%
¥2339.005mg
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