✦ LIBER ✦

Efficient [3,3]-Sigmatropic Rearrangement Accelerated by a Trifluoroacetyl Group: Synthesis of Benzofurans under Mild Conditions.

✍ Scribed by Okiko Miyata; Norihiko Takeda; Yoshiaki Morikami; Takeaki Naito

Publisher: John Wiley and Sons
Year: 2003
Weight: 18 KB
Volume: 34
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200322107

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Efficient Synthesis of Benzofurans Utili

Efficient Synthesis of Benzofurans Utilizing [3,3]-Sigmatropic Rearrangement Trigged by N-Trifluoroacetylation of Oxime Ethers: Short Synthesis of Natural 2-Arylbenzofurans.

✍ Norihiko Takeda; Okiko Miyata; Takeaki Naito 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

Efficient Synthesis of Benzofurans Utili

Efficient Synthesis of Benzofurans Utilizing [3,3]-Sigmatropic Rearrangement Triggered by N-Trifluoroacetylation of Oxime Ethers: Short Synthesis of Natural 2-Arylbenzofurans

✍ Norihiko Takeda; Okiko Miyata; Takeaki Naito 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 294 KB 👁 1 views

Regioselective Synthesis of Heterocycles

Regioselective Synthesis of Heterocycles by Sigmatropic Rearrangement: Passage to 3,11a-Dimethyl-6a,11a-dihydro-1H,6H-pyrano[3′,4′:5,6]thiopyrano[4,3-b] [1]benzofuran-1-one.

✍ Krishna C. Majumdar; Uday K. Kundu; Subhojit Ghosh 📂 Article 📅 2003 🏛 John Wiley and Sons ⚖ 111 KB 👁 2 views

Ruthenium-Catalyzed Biginelli Condensati

Ruthenium-Catalyzed Biginelli Condensation: A Simple and Efficient One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones under Mild Reaction Conditions.

✍ Suman L. Jain; Vishal B. Sharma; Bir Sain 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 17 KB 👁 2 views

Ruthenium-catalyzed biginelli condensati

Ruthenium-catalyzed biginelli condensation: A simple and efficient one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones under mild reaction conditions

✍ Suman L. Jain; Vishal B. Sharma; Bir Sain 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 182 KB

## Abstract magnified image Ruthenium trichloride was found to be an efficient catalyst for the first time for the synthesis of a variety of 3,4‐dihydropyrimidin‐2(1__H__)‐ones by cyclocondensation of an aldehyde, β‐dicarbonyl compound and urea in excellent yields under mild reaction conditions.

Efficient 2,4,6-trichloro-1,3,5-triazine

Efficient 2,4,6-trichloro-1,3,5-triazine-catalyzed synthesis of 2-arylbenzothiazoles and bisbenzothiazoles by condensation of 2-aminithiophenol with aldehydes under mild conditions

✍ Behrooz Maleki; Davood Azarifar; Seyede Fateme Hojati; Hojat Veisi; Mostafa Ghol 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 254 KB

## Abstract 2,4,6‐Trichloro‐1,3,5‐triazine efficiently catalyzed the condensation reactions between 2‐aminothiophenol and aromatic aldehydes to afford 2‐arylbenzothiazolles in good‐to‐excellent yields. Simple and mild reaction conditions, the use of a cheap catalyst and easy work up, and isolation