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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53518-14-2 7-(Dimethylamino)-4-(trifluoromethyl)-2H-chromen-2-one 7-(二甲氨基)-4-(三氟甲基)-2H-苯并吡喃-2-酮
BJS162657453518-14-298%
¥1607.005g
35924-44-8 6-Methoxy-2-oxo-2H-chromene-3-carboxylic acid 6-甲氧基-2-氧代-2H-苯并吡喃-3-羧酸
BJS084785835924-44-895+%
¥897.00250mg
1846-76-0 Ethyl 2-oxo-2H-chromene-3-carboxylate 2-氧代-2H-苯并吡喃-3-羧酸乙酯
BJS52013001846-76-098%
¥210.001g
10242-13-4 6-Methyl-2-oxo-2H-chromene-3-carboxylic acid 6-甲基-2-氧代-2H-苯并吡喃-3-羧酸
BJS036427110242-13-495%
¥617.00100mg
113728-13-5 2-Amino-N-(4-methyl-2-oxo-2H-chromen-7-yl)acetamide hydrobromide 2-氨基-N-(4-甲基-2-氧代-2H-苯并吡喃-7-基)乙酰胺氢溴酸盐
BJS7353549113728-13-598%
¥9530.001g
31518-13-5 3,4-Dihydro-2H-pyran-6-carbonitrile 5,6-二氢-4H-吡喃-2-甲腈
BJS639518431518-13-597%
¥4923.005g
5852-10-8 2-(7-Hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetic acid 7-羟基-4-甲基香豆素-3-乙酸
BJS67444235852-10-898%
¥508.00100mg
55977-10-1 3-Bromo-7-hydroxy-4-methylchromen-2-one 3-溴-7-羟基-4-甲基-2H-苯并吡喃-2-酮
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¥5813.005g
2373-31-1 6-Hydroxy-4-methyl-2H-chromen-2-one 6-羟基-4-甲基-2H-苯并吡喃-2-酮
BJS43628022373-31-197%
¥256.001g
28705-46-6 Ethyl 7-(diethylamino)-2-oxo-2H-chromene-3-carboxylate 7-(二乙基氨基)-2-氧代-2H-色烯-3-甲酸乙酯
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¥275.001g
6093-71-6 Ethyl 7-hydroxy-2-oxo-2H-chromene-3-carboxylate 7-羟基-2-氧代-2H-苯并吡喃-3-羧酸乙酯
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¥273.00250mg
20300-59-8 7-Methoxy-2-oxo-2H-chromene-3-carboxylic acid 7-甲氧基-2-氧代-2H-苯并吡喃-3-羧酸
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¥69.001g
5128-44-9 5-Hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one 5-羟基-7-甲氧基-2-(4-甲氧基苯基)-4H-苯并吡喃-4-酮
BJS10726225128-44-995%
¥2224.00250mg
480-11-5 5,7-Dihydroxy-6-methoxy-2-phenyl-4H-chromen-4-one 5,7-二羟基-6-甲氧基-2-苯基-4H-苯并吡喃-4-酮
BJS1675871480-11-598%
¥470.00100mg
20300-58-7 7-Chloro-2-oxo-2H-chromene-3-carboxylic acid 7-氯-2-氧代-2H-苯并吡喃-3-羧酸
BJS678524920300-58-797%
¥983.00100mg
17290-70-9 2-(3,4-Dimethoxyphenyl)-5,7,8-trimethoxy-4H-chromen-4-one 2-(3,4-二甲氧基苯基)-5,7,8-三甲氧基-4H-苯并吡喃-4-酮
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¥6623.0050mg
24526-69-0 4-Methyl-2-oxo-2H-chromene-3-carbonitrile 4-甲基-2-氧代-2H-色烯-3-甲腈
BJS917276224526-69-097%
¥701.005g
484-12-8 7-Methoxy-8-(3-methylbut-2-en-1-yl)-2H-chromen-2-one 7-甲氧基-8-(3-甲基丁-2-烯-1-基)-2H-苯并吡喃-2-酮
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¥162.001g
38976-17-9 rel-(R)-2,5,7,8-Tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-yl dihydrogen phosphate rel-(R)-2,5,7,8-四甲基-2-((4R,8R)-4,8,12-三甲基十三烷基)苯并二氢吡喃-6-基 磷酸二氢酯
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¥1934.0010mg
27407-12-1 7-Bromo-6-fluorochroman-4-one 7-溴-6-氟苯并吡喃-4-酮
BJS602981027407-12-195%
¥1892.00100mg
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