✦ LIBER ✦

Three component reactions: An efficient and green synthesis of 3,4-dihydropyrimidin-2-(1H)-ones and thiones using silica gel-supported l-pyrrolidine-2-carboxylic acid-4-hydrogen sulfate

✍ Scribed by Ghorbani-Choghamarani, Arash; Zamani, Parisa

Book ID: 120537026
Publisher: Chinese Electronic Periodical Services
Year: 2013
Tongue: English
Weight: 937 KB
Volume: 24
Category: Article
ISSN: 1001-8417
DOI: 10.1016/j.cclet.2013.05.033

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Three Component Reaction: An Efficient S

Three Component Reaction: An Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and Thiones Using Heterogeneous Catalyst

✍ Vinod Tribhuvannathji Kamble; Dnyanoba Baburao Muley; Sandeep Tukaram Atkore; Sh 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 60 KB 👁 1 views

## Abstract Fluoroboric acid supported on silica gel (HBF~4~‐SiO~2~) catalyzes efficiently the three component condensation of an aldehyde, a 1,3‐dicarbonyl compound and urea or thiourea to afford the corresponding 3,4‐dihydropyrimidin‐ 2(1__H__)‐ones and thiones in high yields. The ambient conditi

Synthesis of 2,3-dihydroquinazolin-4(1H)

Synthesis of 2,3-dihydroquinazolin-4(1H)-ones via one-pot three-component reaction catalyzed byl-pyrrolidine-2-carboxylic acid-4-hydrogen sulfate (supported on silica gel) as novel and recoverable catalyst

✍ Ghorbani-Choghamarani, Arash; Zamani, Parisa 📂 Article 📅 2012 🏛 Iranian Chemical Society 🌐 English ⚖ 536 KB

ChemInform Abstract: Three Component Rea

ChemInform Abstract: Three Component Reaction: An Efficient Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and Thiones Using Heterogeneous Catalyst.

✍ Vinod Tribhuvannathji Kamble; Dnyanoba Baburao Muley; Sandeep Tukaram Atkore; Sh 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 43 KB 👁 2 views

Silica Gel-Supported Polyphosphoric Acid

Silica Gel-Supported Polyphosphoric Acid (PPA-SiO 2 ) Catalyzed One-Pot Multi-Component Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and -thiones: An Efficient Method for the Biginelli Reaction

✍ Zeinali-Dastmalbaf, Mohsen; Davoodnia, Abolghasem; Heravi, Majid M.; Tavakoli-Ho 📂 Article 📅 2011 🏛 Korean Chemical Society 🌐 English ⚖ 246 KB

Poly(4-vinylpyridinium)hydrogen sulfate:

Poly(4-vinylpyridinium)hydrogen sulfate: An efficient and recyclable Bronsted acid catalyst for the synthesis of fused 3,4-dihydropyrimidin-2(1H)-ones and thiones

✍ Janardhan, B.; Rajitha, B.; Crooks, Peter A. 📂 Article 📅 2016 🏛 Elsevier 🌐 English ⚖ 428 KB

ChemInform Abstract: Silica Gel-Supporte

ChemInform Abstract: Silica Gel-Supported Polyphosphoric Acid (PPA—SiO2) Catalyzed One-Pot Multi-Component Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and -thiones: An Efficient Method for the Biginelli Reaction.

✍ Mohsen Zeinali-Dastmalbaf; Abolghasem Davoodnia; Majid M. Heravi; Niloofar Tavak 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views