✦ LIBER ✦

Urea as leaving group in the synthesis of 3-(tert-butyl)perhydro-1,5,3-dithiazepine

✍ Scribed by Ulf Wellmar

Publisher: Journal of Heterocyclic Chemistry
Year: 1998
Tongue: English
Weight: 81 KB
Volume: 35
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570350653

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The new compound 3‐(tert‐butyl)perhydro‐1,5,3‐dithiazepine has been synthesised from 5‐(__tert‐__butyl)perhydro‐1,3,5‐triazin‐2‐one in 45% yield. In the reaction, urea acts as the leaving group being exchanged for the S‐CH~2~‐CH~2~‐S fragment of the product.

📜 SIMILAR VOLUMES

ChemInform Abstract: Urea as Leaving Gro

ChemInform Abstract: Urea as Leaving Group in the Synthesis of 3-(tert-Butyl)perhydro-1,5,3-dithiazepine.

✍ Ulf Wellmar 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 28 KB 👁 2 views

ChemInform Abstract: The Synthesis of (3

ChemInform Abstract: The Synthesis of (3,5-Di-tert-butyl-4-hydroxyphenyl)methyl 3-Pyridylalkyl Ethers via 1-(3,5-Di-tert-butyl-4-hydroxyphenyl)methylpyridinium Salts.

✍ O. PUGOVICS; V. KAUSS; I. KALVINSH; M. R. GOLD 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 1 views

ChemInform Abstract: Short Synthesis of

ChemInform Abstract: Short Synthesis of 1-(3-tert-Butyl-1-phenyl-1H-pyrazol-5-yl)-3-(5- (2-morpholinoethoxy)-2H-chromen-8-yl) Urea Derivatives.

✍ Xingzhou Li; Xinming Zhou; Zhibing Zheng; Wu Zhong; Junhai Xiao; Song Li 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

Synthesis of 2,5-disubstituted 1,3,4-oxa

Synthesis of 2,5-disubstituted 1,3,4-oxadiazoles containing a sterically hindered 4-hydroxy-3,5-di(tert-butyl)phenyl group

✍ V. I. Kelarev; V. N. Koshelev; M. A. Silin 📂 Article 📅 1997 🏛 Springer US 🌐 English ⚖ 386 KB

Synthesis of fucosidase substrates using

Synthesis of fucosidase substrates using propane-1,3-diyl phosphate as the anomeric leaving group

✍ Hariprasad Vankayalapati; Gurdial Singh 📂 Article 📅 1999 🏛 Elsevier Science 🌐 French ⚖ 208 KB

Activation of the anomeric centre of suitably protected L-fucopyranose and t~-galactopyranose with propane-l,3-diyl phosphate allowed the synthesis of the disaccharide ct-L-Fucp-(1.2)-13-D-Galp(l)-4methylumbelliferone as a fucosidase substrate.

Synthesis of d-arabinofuranosides using

Synthesis of d-arabinofuranosides using propane-1,3-diyl phosphate as the anomeric leaving group

✍ Yuan Li; Gurdial Singh 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 90 KB

2%,3%,5%-Tri-O-benzyl-D-arbinofurano-1-O-propane-1,3-diylphosphate was activated with TMSOTf to afford 1-O-linked arabinofuranosides with good stereoselectivity.