𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. IV. Synthese von (3R, 3′R, 6′R)-Lutein. Vorläufige Mitteilung

✍ Scribed by Hans Mayer; August Rüttimann

Publisher
John Wiley and Sons
Year
1980
Tongue
German
Weight
297 KB
Volume
63
Category
Article
ISSN
0018-019X

No coin nor oath required. For personal study only.

✦ Synopsis

Synthesis of optically active natural carotenoids and structurally related compounds. IV. Synthesis of (3__R__, 3′R, 6′R)‐lutein

The synthesis of (3__R__, 3′R, 6′R)‐lutein (19) according to the building principle C~25~+C~15~C~40~ is reported utilizing (R)‐4‐hydroxy‐2,6,6‐trimethyl‐2‐cyclohexen‐1‐one (4) as a readily available key intermediate.

📜 SIMILAR VOLUMES

Synthese von optisch aktiven, natürliche
Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. VII. Synthese von (3R)-3-Hydroxyretinol, (3R)-3-Hydroxyretinal und (3R)-3-Hydroxyretinsäure
✍ Hans Mayer; Jean-Marie Santer 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 379 KB

Synthesis of optically active natural carotenoids and structurally related compounds VII. Synthesis of (3R)-3-hydroxyretinol, (3R)d-hydroxyretinal and (3R)-3-hydroxyretinoic acid ## Summary The synthesis of (3R)-3-hydroxyretino1( 7), (3R)-3-hydroxyretinal( 9) and (3R)-3hydroxyretinoic acid (5) a

Synthese von optisch aktiven, natürliche
Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. II. Synthese von (3 S, 3′S)-Astaxanthin
✍ Frank Kienzle; Hans Mayer 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 German ⚖ 453 KB

**Synthesis of optically active natural carotenoids and structurally related compounds. II. Synthesis of (3__S__, 3′__S__)‐astaxanthin** The syntheses of rac. astaxanthin, (3 __S__, 3′__S__)‐astaxanthin (**1**), its 15‐__cis__ isomer (**21**), its diacetate (**22**), and of (3 __S__, 3′ __S__)‐15,

Synthese von optisch aktiven, natürliche
Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. VI. Synthese von Picrocrocin
✍ Hans Mayer; Jean-Marie Santer 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 237 KB

**Synthesis of optically active natural carotenoids and structurally related compounds. VI. Synthesis of Picrocrocin** The synthesis of picrocrocin (**6**), the bitter essence of saffron (__Crocus sativus__ L.) is reported utilizing (3__R__)‐3‐hydroxy‐β‐cyclogeranyl acetate (**3**) as a readily ava

Synthese von optisch aktiven, natürliche
Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. V. Synthese von (3R, 3′R)-, (3S, 3′S)- und (3R,3′S; meso)-Zeaxanthin durch asymmetrische Hydroborierung. Ein neuer Zugang zu Optisch aktiven Carotinoidbausteinen. Vorläufige Mitteilung
✍ August Rüttimann; Hans Mayer 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 384 KB

**Synthesis of Optically Active Natural Carotenoids and Structurally Related Compounds. V. Synthesis of (3__R__, 3′__R__)‐, (3__S__, 3′__S__)‐ and (3__R__,3′__S__; __meso__)‐zeaxanthin by Asymmetric Hydroboration. A New Approach to Optically Active Carotenoid Building Units** The synthesis of (3__R

Technische Verfahren zur Synthese von Ca
Technische Verfahren zur Synthese von Carotinoiden und verwandten Verbindungen aus 6-Oxo-isophoron. IV. Neues Konzept für die Synthese von (3RS, 3′RS)-, (3S, 3′S)- und (3R, 3′R)-9,9′-dicis-7,8,7′,8′-Tetradehydroastaxanthin
✍ Reinhard Zell; Erich Widmer 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 German ⚖ 366 KB 👁 1 views

Technical Procedures for the Synthesis of Carotenoids and Related Compounds from 6‐Oxo‐isophorone. IV. A Novel Concept for the Synthesis of (3__RS__, 3′__RS__)‐, (3__S__, 3′__S__)‐ and (3__R__, 3′__R__)‐9,9′‐di__cis__‐7,8,7′,8′‐Tetradehydroastaxanthin Starting from readily available intermediates o