Chemistry Heterocyclic Building Blocks Thiophenes 2,3-Dihydrothieno[3,4-B][1,4]Dioxine

2,3-Dihydrothieno[3,4-B][1,4]Dioxine

Electrophilic Aromatic Substitution: If there are electron-rich groups on the thieno or dioxine rings, they can undergo electrophilic aromatic substitution reactions with electrophiles, such as halogens or acylating agents. Nucleophilic Substitution: If there are suitable leaving groups on the molecule, nucleophilic substitution reactions can take place. For example, you can replace a halogen substituent with a nucleophile like an amine or hydroxide ion. Ring Opening Reactions: The dioxine ring can be opened under certain conditions, leading to the formation of new functional groups or intermediates. Oxidation/Reduction: The thieno ring can undergo oxidation or reduction reactions depending on the reaction conditions. For example, thieno rings can be oxidized to thieno[3,4-b]thiophene derivatives. Cyclization: Depending on the surrounding functional groups, intramolecular cyclization reactions can occur, leading to the formation of new ring systems or heterocyclic compounds. Cross-Coupling Reactions: If the molecule contains suitable functional groups, it can participate in various cross-coupling reactions, such as Suzuki coupling, Heck coupling, or Stille coupling, to form biaryl or heterocyclic compounds. Grignard Reaction: 2,3-dihydrothieno[3,4-b][1,4]dioxine can react with Grignard reagents to form new carbon-carbon bonds.

Further Reading:

Framework+−

(9H-Fluoren-9-Yl)Methyl (2-(Thiophen-2-Yl)Ethyl)Carbamate 1-(Thiophen-2-Yl)Ethan-1-One 2,2'-Bithiophene 2,2':5',2''-Terthiophene 2,3-Dihydrothieno[3,4-B][1,4]Dioxine 2,5-Dibromothiophene 2,5-Diphenylthiophene 2-(Thiophen-2-Yl)Pyridine 2-(Trifluoromethyl)Thiophene 2-Chlorothiophene 2-Ethynylthiophene 2-Iodothiophene 2-Methoxythiophene 2-Nitrothiophene 3-Bromothiophene 3-Chlorothiophene 3-Fluorothiophene 3-Methoxythiophene 3-Methylthiophene 3-Nitrothiophene 3-Phenylthiophene 4,4,5,5-Tetramethyl-2-(Thiophen-2-Yl)-1,3,2-Dioxaborolane 4,4,5,5-Tetramethyl-2-(Thiophen-3-Yl)-1,3,2-Dioxaborolane 4,5,6,7-Tetrahydrothieno[2,3-C]Pyridine 4,5,6,7-Tetrahydrothieno[3,2-C]Pyridine 4,7-Di(Thiophen-2-Yl)Benzo[C][1,2,5]Thiadiazole 4,8-Di(Thiophen-2-Yl)Benzo[1,2-B:4,5-B']Dithiophene 4-Phenyl-6H-Thieno[3,2-F][1,2,4]Triazolo[4,3-A][1,4]Diazepine 4H-Cyclopenta[2,1-B:3,4-B']Dithiophene 4H-Thieno[3,2-B]Pyrrole 4H-Thieno[3,4-C]Pyrrole-4,6(5H)-Dione 5,6-Dihydro-4H-Cyclopenta[B]Thiophene 5-(Thiophen-2-Yl)Isoxazole 5-Benzyl-4,5,6,7-Tetrahydrothieno[3,2-C]Pyridine 5-Phenylthiophen-2-Amine Benzo[1,2-B:4,5-B']Dithiophene Dibenzo[B,D]Thiophene Dihydrothiophen-3(2H)-One Dithieno[3,2-B:2',3'-D]Thiophene Ethyl Thiophene-2-Carboxylate Ethyl Thiophene-3-Carboxylate Methyl Thiophene-3-Carboxylate N,N-Diphenyl-4-(Thiophen-2-Yl)Aniline Phenyl(Thiophen-2-Yl)Methanone Thieno[2,3-B]Pyridine Thieno[2,3-C]Pyridine Thieno[2,3-D]Pyrimidine Thieno[3,2-B]Pyridine Thieno[3,2-B]Thiophene Thieno[3,2-C]Pyridine Thieno[3,2-D]Pyrimidine Thieno[3,4-B]Thiophene Thiophen-2-Ylboronic Acid Thiophen-2-Ylmethanol Thiophen-3-Amine Thiophen-3-Ol Thiophene-2-Carbaldehyde Thiophene-2-Carbonitrile Thiophene-3-Carbaldehyde Thiophene-3-Carbonitrile Thiophene-3-Carboxamide Thiophene-3-Carboxylic Acid

By Key Group+−

Acetylthiophene Aminothiophene Bromothieno Chlorothieno Chlorothiophene Cyanothiophene Dibromothieno Dibromothiophene Dichlorothieno Dichlorothiophene Dihydrothieno Dihydrothiophene Dihydroxythiophene Dimethylthieno Dimethylthiophene Dithiophene Fluorothiophene Formylthiophene Hydroxythiophene Iodothieno Iodothiophene Methylthieno Nitrothiophene Oxotetrahydrothiophene Terthiophene Tetrahydrothieno Thiophen-Amine-Hydrochloride Thiophenecarboxaldehyde Thiphen-Amine-Hydrochloride Trithiophene

By Route Intermediates+−

cLogP+−

H-Acceptors+−

H-Donors+−

Polar Surface Area+−

Druglikeness+−

NNCH/NNH+−

sp3-Atoms+−

Non-Aromatic Rings+−

Aromatic Rings+−

Rotatable Bonds+−

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2,3-Dihydrothieno[3,4-b][1,4]dioxine

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A408207126213-50-198%

2,3-Dihydrothieno[3,4-b][1,4]dioxine

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7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde

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A127115852054-42-395% (stabilized with Cu+HQ+MgO)

7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde

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2H,3H-Thieno[3,4-b][1,4]dioxine-5-carbonitrile

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2H,3H-Thieno[3,4-b][1,4]dioxine-5-carbonitrile

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2,3-Dihydrothieno[3,4-b][1,4]dioxine-2-carboxylic acid

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2,3-Dihydrothieno[3,4-b][1,4]dioxine-2-carboxylic acid

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2-Decyl-2,3-dihydrothieno[3,4-b][1,4]dioxine

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2-Decyl-2,3-dihydrothieno[3,4-b][1,4]dioxine

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(2,3-Dihydrothieno[3,4-b][1,4]dioxin-2-yl)methanol

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(2,3-Dihydrothieno[3,4-b][1,4]dioxin-2-yl)methanol

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5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

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5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

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2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde

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2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde

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2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarbaldehyde

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2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarbaldehyde

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