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%
¥1325.005g
531-81-7 2-Oxo-2H-chromene-3-carboxylic acid 2-氧代-2H-苯并吡喃-3-羧酸
BJS4664906531-81-798%
¥326.00100g
575-03-1 7-Hydroxy-4-(trifluoromethyl)coumarin 7-羟基-4-三氟甲基-2H-苯并吡喃-2-酮
BJS6124842575-03-198%
¥141.001g
108-55-4 Dihydro-2H-pyran-2,6(3H)-dione 二氢-2H-吡喃-2,6(3H)-二酮
BJS6774502108-55-496%
¥78.00100g
119-84-6 Chroman-2-One 苯并二氢吡喃-2-酮
BJS0557582119-84-697%
¥61.00100g
4166-53-4 4-Methyldihydro-2H-pyran-2,6(3H)-dione 3-甲基戊二酐
BJS61727474166-53-496%
¥2642.00100g
51473-74-6 7-(Diethylamino)-2-oxo-2H-chromene-3-carbonitrile 7-(二乙氨基)-2-氧代-2H-色烯-3-甲腈
BJS837809151473-74-695%
¥122.00250mg
26078-25-1 7-(Ethylamino)-4,6-dimethyl-2H-chromen-2-one 7-(乙氨基)-4,6-二甲基-2H-苯并吡喃-2-酮
BJS535400026078-25-198%
¥790.00100mg
480-41-1 (S)-5,7-Dihydroxy-2-(4-hydroxyphenyl)chroman-4-one (S)-5,7-二羟基-2-(4-羟基苯基)苯并二氢吡喃-4-酮
BJS3126560480-41-195%
¥3541.00500g
2938-48-9 3,3-Dimethyldihydro-2H-pyran-2,6(3H)-dione 3,3-二甲基二氢-2H-吡喃-2,6(3H)-二酮
BJS92861642938-48-998%
¥638.005g
3366-47-0 (2R,3R,4S)-2-(Acetoxymethyl)-3,4-dihydro-2H-pyran-3,4,5-triyl triacetate (2R,3R,4S)-2-(乙酰氧基甲基)-3,4-二氢-2H-吡喃-3,4,5-三基 三乙酸酯
BJS91130573366-47-097%
¥4173.001g
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
BJS178441928705-46-698%
¥231.001g
574-84-5 7,8-Dihydroxy-6-methoxy-2H-chromen-2-one 7,8-二羟基-6-甲氧基-2H-苯并吡喃-2-酮
BJS3784895574-84-595%
¥823.00100mg
41934-47-8 7-(Diethylamino)-4-(trifluoromethyl)-2H-chromen-2-one 7-(二乙氨基)-4-(三氟甲基)-2H-苯并吡喃-2-酮
BJS848976441934-47-897%
¥292.00250mg
99-32-1 4-Oxo-4H-pyran-2,6-dicarboxylic acid 4-氧代-4H-吡喃-2,6-二羧酸
BJS238480999-32-198% (contains <2%H2O)
¥1573.0025g
54711-38-5 7-(Diethylamino)-4-(hydroxymethyl)-2H-chromen-2-one 7-(二乙基氨基)-4-(羟甲基)-2H-苯并吡喃-2-酮
BJS942519754711-38-595%
¥8379.001g
117-39-5 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one 2 -(3,4-二羟基苯基)-3,5,7-三羟基-4H-苯并吡喃-4-酮
BJS2804964117-39-597%
¥204.0025g
50995-74-9 7-(Diethylamino)-2-oxo-2H-chromene-3-carboxylic acid 7-(二乙氨基)-2-氧代-2H-苯并吡喃-3-羧酸
BJS536647350995-74-998%
¥143.005g
139374-47-3 7-Isocyanato-4-methyl-2H-chromen-2-one 7-异氰酸基-4-甲基-2H-苯并吡喃-2-酮
BJS0567100139374-47-395%
¥2816.00250mg
486-28-2 6-Hydroxy-5,7-dimethoxy-2H-chromen-2-one 6-羟基-5,7-二甲氧基-2H-苯并吡喃-2-酮
BJS7781026486-28-298+%
¥2867.0025mg
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