✦ LIBER ✦

Some substitution reactions of thieno[3,4-b]thiophene and methyl thieno[3;4-b]thiophene-2-carboxylate

✍ Scribed by Hans Wynberg; J. Feijen

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 483 KB
Volume: 89
Category: Article
ISSN: 0165-0513
DOI: 10.1002/recl.19700890112

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

ChemInform Abstract: Synthesis of Polyfu

ChemInform Abstract: Synthesis of Polyfunctionalized Thiophenes and Enediynes via Ring-Opening Reactions of 3-Lithiated Thieno[2,3-b](and [3,2-b])thiophenes, 3,4-Dilithiated Thieno[2,3-b]thiophenes and 3,6-Dilithiated Thieno[3,2-b]thiophenes.

✍ L. S. FULLER; B. IDDON; K. A. SMITH 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 36 KB 👁 1 views

Synthesis of Polyfunctionalized Thiophenes and Enediynes via Ring-Opening Reactions of 3-Lithiated Thieno[2,3-b](and [3,2b])thiophenes , 3,4-Dilithiated Thieno[2,3-b]thiophenes and3,6-Dilithiated Thieno[3,2-b]thiophenes. -Solutions of title lithiated thienothiophenes are obtained from the correspond

New Thiophens and Thieno [2,3-b]thiophen

New Thiophens and Thieno [2,3-b]thiophens

✍ Doz. Dr. R. Gompper; cand. chem. E. Kutter 📂 Article 📅 1962 🏛 John Wiley and Sons 🌐 English ⚖ 128 KB 👁 1 views

Rust) 160 (calc. 165.2); Amax= 247mp (log€ = 3.89);222mp (log E = 4.38) [3]) is obtained in 79 % yield.

Thieno[3,4-b]thiophene. The third thioph

Thieno[3,4-b]thiophene. The third thiophthene

✍ Hans Wynberg; D.J. Zwanenburg 📂 Article 📅 1967 🏛 Elsevier Science 🌐 French ⚖ 167 KB

We wish to report the synthesis of thieno b,4-blthiophene (I), the only one of the three possible thionhthenes (I-III) (I) which is unknown. Only

Donor–acceptor thieno[2,3-b]thiophene sy

Donor–acceptor thieno[2,3-b]thiophene systems: synthesis and structural study of 3-anisyl-4-pyridyl(pyridinium) thieno[2,3-b]thiophenes

✍ Sabir H Mashraqui; Mohamed Ashraf; Harini Hariharasubrahmanian; Richard M Kellog 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 199 KB

Rearrangement of 2- and 3-(propargylthio

Rearrangement of 2- and 3-(propargylthio)thiophene into 2-methylthieno[2,3-b]thiophene and 2-methyl-thieno[3,2-b]thiophene

✍ L. Brandsma; D. Schuijl-Laros 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 144 KB

Synthesis of certain 5-substituted thien

Synthesis of certain 5-substituted thieno[2,3-b]thiophene-2-sulfonamides and thieno[2,3-b]thiophene-2-sulfonamide 6,6-dioxides

✍ Hwang-Hsing Chen; Jesse A. May; Vincent M. Lynch 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 669 KB

A series of the title compounds were prepared for evaluation as inhibitors of carbonic anhydrase II. Oxidation of 5-substituted thieno[2,3-b]thiophene-2-sulfonamides provided the first examples of thiophene[2,3-b]thiophene-2-sulfonamide 6,6-dioxides. These cyclic vinyl sulfones readily underwent add