✦ LIBER ✦

Lipase-catalyzed asymmetric synthesis of (R)- and (S)-4-tert-butyldimethylsilyloxy-2,6,6-trimethyl-2-cyclohexenone and their dihydro derivatives

✍ Scribed by Akira Tanaka; Hiroshi Yamamoto; Takayuki Oritani

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 351 KB
Volume: 6
Category: Article
ISSN: 0957-4166
DOI: 10.1016/0957-4166(95)00159-m

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Asymmetric synthesis of (R) and (S)-4-hy

Asymmetric synthesis of (R) and (S)-4-hydroxy-2-cyclohexenone and derivatives

✍ M Carmen Carreño; José L García Ruano; Mercedes Garrido; M Pilar Ruiza; Guy Soll 📂 Article 📅 1990 🏛 Elsevier Science 🌐 French ⚖ 293 KB

The arymmeti syntheses of both enantiomers of 4and O-benql derivatives are reported z4 DIBAL and ZnCl2/DI aTmy-2qciohewnone and their 0-acetyl L stemaelective reducrionr of the ketosulfaides resulting in the sul'nylation of Al-cyciohexanedione ethylene monoketai, are the key steps in these syntheses

ChemInform Abstract: Efficient Synthesis

ChemInform Abstract: Efficient Synthesis of Optically Pure (4R,6S)-4-(tert-Butyldimethylsilyloxy)-6- (hydroxymethyl)tetrahydropyran-2-one and Its Enantiomer.

✍ Sandeep R. Ghorpade; Uttam R. Kalkote; Subhash P. Chayan; Sunil R. Bhide; T. Rav 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 2 views

(5R*, 9S*)- and (5R*, 9R*)-2,2,9-Trimeth

(5R*, 9S*)- and (5R*, 9R*)-2,2,9-Trimethyl-1,6-dioxaspiro[4.4]non-3-ene and their Dihydro Derivatives as New Constituents of Geranium Oil

✍ Roman Kaiser 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 German ⚖ 358 KB

## Abstract (5 __R__^\*^,9__S__^\*^)‐ and (5__R__^\*^,9__R__^\*^)‐2,2,9‐Trimethyl‐1,6‐dioxaspiro [4.4]non‐3‐ene (**1a** and **1b** resp.) and their dihydro derivatives **2a** and **2b** are described as new constituents of geranium oil. The structures and configurations of **1a**, **1b**, **2a**, a

ChemInform Abstract: Synthesis of 4-Dial

ChemInform Abstract: Synthesis of 4-Dialkylamino- and 3-Halogeno-6-methyl-4-methoxy-2-pyrones and Their 5,6-Dihydro Derivatives.

✍ I. P. LOKOT'; F. S. PASHKOVSKII; F. A. LAKHVICH 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 2 views

Asymmetric synthesis of proline derivati

Asymmetric synthesis of proline derivatives from (2R) and (2S)-2-tert-butyl-3-benzoyl-4-methyleneoxazolidin-5-one

✍ Stephen G Pyne; Abdollah Javidan; Brian W Skelton; Allan H White 📂 Article 📅 1995 🏛 Elsevier Science 🌐 French ⚖ 650 KB

NMR spectroscopic identification of (1S,

NMR spectroscopic identification of (1S, 4R, 6R)- and (1S, 4R, 6S)-1,3,3-trimethyl-2-oxo-6-(2-oxopropyl)bicyclo[2.2.2]octane, key intermediates towards the total synthesis of (+)-norpatchoulenol

✍ Hsing-Jang Liu; Milan Ralitsch 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 394 KB

## Abstract High‐field NMR studies of (1__S__, 4__R__, 6__R__)‐ and (1__S__, 4__R__, 6__S__)‐1,3,3‐trimethyl‐2‐oxo‐6‐(2‐oxopropyl)bicyclo[2.2.2]octane were carried out by one‐ and two‐dimensional methods. The stereochemical aspects of these molecules were studied through the application of the nucl