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。

按化学元素
Bx
Cx
Nx
Ox
Fx
Six
Px
Sx
Clx
Brx
Ix
骨架: 苯并二氢吡喃-4-胺 (20) 苯并二氢吡喃-3-胺 (3) 苯并二氢吡喃-2-基甲胺 (3) 6-氯苯并二氢吡喃-4-酮 (6) 2-氧代苯并吡喃-3-甲腈 (5) 2-氧代苯并吡喃-3-羧酸 (14) 8-溴-苯并二氢吡喃-4-酮 (4) 7-甲氧基苯并吡喃-2-酮 (12) 7-羟基苯并吡喃-2-酮 (23) 5-甲氧基-2-苯基-苯并吡喃-4-酮 (10) 3-羟基-2-苯基苯并吡喃-4-酮 (22) 6-溴苯并二氢吡喃-4-酮 (6) 2-氧代苯并吡喃-3-羧酸乙酯 (5) 8-氟苯并二氢吡喃 (5) 6-氟苯并二氢吡喃 (6) 5-氟苯并二氢吡喃 (6) 8-氯苯并二氢吡喃 (5) 7-氯苯并二氢吡喃 (5) 6-氯苯并二氢吡喃 (6) 6-甲氧基苯并二氢吡喃 (5) 螺[苯并二氢吡喃-2,4'-哌啶]-4-酮 (6) 4-(三氟甲基)苯并吡喃-2-酮 (6) 苯并二氢吡喃-3-羧酸 (4) 苯并二氢吡喃-2-羧酸 (6) 2-氧代苯并吡喃-4-乙酸 (4) 二氢吡喃-2,6-二酮 (6) 苯并二氢吡喃-2-酮 (5) 8-甲基苯并二氢吡喃-4-酮 (4) 7-甲氧基苯并二氢吡喃-4-酮 (3) 7-氟苯并二氢吡喃-4-酮 (5) 7-溴苯并二氢吡喃-4-酮 (4) 7-(二乙氨基)苯并吡喃-2-酮 (10) 6-氟苯并二氢吡喃-4-酮 (5) 5-羟基-2-苯基苯并吡喃-4-酮 (37) 5-氟苯并二氢吡喃-4-酮 (3) 4-甲基苯并吡喃-2-酮 (34) 4-羟基苯并吡喃-2-酮 (10) 3-乙酰基苯并吡喃-2-酮 (3) 8-溴苯并二氢吡喃 (6) 7-溴苯并二氢吡喃 (7) 1-(四氢吡喃-2-基)吲唑 (17) 硫代苯并二氢吡喃-4-酮 (10) 四氢吡喃-4-酮 (12) 四氢硫代吡喃 (10) 四氢吡喃-2-酮 (16) 异苯并二氢吡喃 (11) 苯并二氢吡喃-4-醇 (4) 8-甲基苯并二氢吡喃 (11) 3,6-二氢吡喃 (8) 3,4-二氢吡喃 (12) 苯并吡喃 (16) 2,2,-二甲基苯并二氢吡喃 (5) (S)-2-苯基苯并二氢吡喃-4-酮 (17) 2-苯基-4H-色烯-4-酮 (72) 更多
按纯度: 99+% 99% 98+% 98% 97+% 97% 96+% 96% 95+% 95% 93% 90+% 90%
按分子量: 0-100 100-200 200-300 300-400 400-500 500-600 600-700 700-800 1000+
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
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