✦ LIBER ✦

A CONVENIENT SYNTHESIS OF 2,3-DISUBSTITUTED DERIVATIVES OF 4H-PYRIMIDO[2,1-b]-BENZOTHIAZOLE-4-ONE

✍ Scribed by Baheti, K. G.; Kapratwar, S. B.; Kuberkar, S. V.

Book ID: 115481978
Publisher: Taylor and Francis Group
Year: 2002
Tongue: English
Weight: 125 KB
Volume: 32
Category: Article
ISSN: 0039-7911
DOI: 10.1081/scc-120005434

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

A Convenient Synthesis of 2,3-Disubstitu

A Convenient Synthesis of 2,3-Disubstituted Derivatives of 4H-Pyrimido[2,1-b]benzothiazole-4-one.

✍ K. G. Baheti; S. B. Kapratwar; S. V. Kuberkar 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 1 views

The synthesis of some 4H-pyrimido[2,1-b]

The synthesis of some 4H-pyrimido[2,1-b]benzothiazol-4-ones

✍ Robert J. Alaimo 📂 Article 📅 1973 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 236 KB

Synthesis of 1,2-disubstituted 1,2-dihyd

Synthesis of 1,2-disubstituted 1,2-dihydropyrrolo[3,4-b]indol-3(4H)-one derivatives

✍ Ma, Fei ;Ma, Lei ;Lei, Min ;Hu, Lihong 📂 Article 📅 2014 🏛 Springer Vienna 🌐 English ⚖ 322 KB

Convenient Approach for the One-Pot, Thr

Convenient Approach for the One-Pot, Three-Component Synthesis of Triheterocyclic 4 H -Pyrimido[2,1- b ]benzothiazole Derivatives Using TBAHS

✍ Nagarapu, Lingaiah; Gaikwad, Hanmant K.; Palem, Jyothsna Devi; Venkatesh, Ramine 📂 Article 📅 2013 🏛 Taylor and Francis Group 🌐 English ⚖ 519 KB

Facile and convenient synthesis of 2,6-d

Facile and convenient synthesis of 2,6-disubstituted 4H-1,3-oxazin-4-one derivatives

✍ Yasuo Morita; Masakazu Kaneko; Sumiko Matsuzawa; Yutaka Yamamoto 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 361 KB

## Abstract Facile and convenient methods for the preparation of a variety of 2,6‐disubstituted 4__H__‐1,3‐oxazin‐4‐ones 3 by three complementary methods are described. Treatment of the branched aliphatic imidate 2c,d with diketene 1 in the presence of a catalytic amount of acetic acid affords 2‐su

Novel synthesis and biological activity

Novel synthesis and biological activity of 2-substituted derivatives of 3-cyano-4-imino-2-methylthio-8-methoxy-4H-pyrimido[2,1-b][1,3]benzothiazole and 3-amino-4-imino-8-methoxy-2H-pyrazolo[3′,4′:4,5]pyrimido[2,1-b][1,3]benzothiazole

✍ S. G. Badne; D. K. Swamy; V. N. Bhosale; S. V. Kuberkar 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 183 KB

## Abstract 2‐Amino‐6‐methoxybenzothiazole **1** on reaction with bis(methylthio)methylene malononitrile **2** in the presence of dimethyl formamide and catalytic amount of anhydrous potassium carbonate afforded 3‐cyano‐4‐imino‐8‐methoxy‐4__H__‐pyrimido[2,1‐__b__][1,3]benzothiazole **3**. Under sim