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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823-22-3 6-Methyltetrahydro-2H-pyran-2-one 6-甲基-2H-四氢吡喃-2-酮
BJS8998738823-22-398% GC
¥59.005g
705-86-2 6-Pentyltetrahydro-2H-pyran-2-one 6-戊基四氢-2H-吡喃-2-酮
BJS9332495705-86-297%
¥53.0010g
542-28-9 Tetrahydro-2H-pyran-2-one 四氢-2H-吡喃-2-酮
BJS7409308542-28-998% may contain polymer
¥65.00100g
10357-27-4 4-Nitrophenyl a-D-mannopyranoside 对硝基苯基-beta-D-吡喃甘露糖苷
BJS897533610357-27-498%
¥420.00250mg
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%
¥6195.0025mg
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
BJS0244697110623-72-898%
¥1237.0010mg
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
674-26-0 4-Hydroxy-4-methyltetrahydro-2H-pyran-2-one 4-羟基-4-甲基四氢-2H-吡喃-2-酮
BJS9009348674-26-097%
¥300.00250mg
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%
¥42.005g
521-88-0 3-Methoxy-2-phenyl-4H-furo[2,3-h]chromen-4-one 3-甲氧基-2-苯基-4H-呋喃并[2,3-h]苯并吡喃-4-酮
BJS0912244521-88-098%
¥4530.00100mg
905442-42-4 (S)-2-Amino-4-(7-hydroxy-2-oxo-2H-chromen-4-yl)butanoic acid (S)-2-氨基-4-(7-羟基-2-氧代-2H-苯并吡喃-4-基)丁酸
BJS6258300905442-42-495%
¥14351.001g
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
BJS553070587081-35-498%
¥4045.0010mg
19103-54-9 5-Hydroxy-6,7-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one 5-羟基-6,7-二甲氧基-2-(4-甲氧基苯基)-4H-苯并吡喃-4-酮
BJS883553319103-54-998%
¥5048.0010mg
195385-93-4 7-(((2S,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-4-methyl-2H-chromen-2-one 7-(((2S,3R,4S,5R)-3,4-二羟基-5-(羟甲基)四氢呋喃-2-基)氧基)-4-甲基-2H-苯并吡喃-2-酮
BJS6124339195385-93-498%
¥6842.00250mg
99-32-1 4-Oxo-4H-pyran-2,6-dicarboxylic acid 4-氧代-4H-吡喃-2,6-二羧酸
BJS549343599-32-195%
¥1504.0025g
698-76-0 δ-Octanolactone 6-丙基四氢-2H-吡喃-2-酮
BJS9479057698-76-098%
¥214.0025g
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
BJS1566666110623-73-998%
¥630.005mg
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%
¥113.0010g
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
BJS02740221202918-24-895%
¥2594.00250mg
142797-34-0 (2R,3R)-3,5,7-Trihydroxy-2-((2S,3S)-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)chroman-4-one (2R,3R)-3,5,7-三羟基-2 - ((2S,3S)-3-(4-羟基-3-甲氧基苯基)-2-(羟甲基)-2,3-二氢苯并[b][1,4]二氧杂环己烯-6-基)苯并二氢吡喃-4-酮
BJS7429255142797-34-095%
¥8259.0050mg
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