✦ LIBER ✦

360. Carotenoids and related compounds. Part XI. Syntheses of δ-carotene and Îµ-carotene

✍ Scribed by Manchand, P. S. ;Rüegg, R. ;Schwieter, U. ;Siddons, P. T. ;Weedon, B. C. L.

Book ID: 127048825
Publisher: The Royal Society of Chemistry
Year: 1965
Weight: 954 KB
Volume: 0
Category: Article
ISSN: 0368-1769
DOI: 10.1039/jr9650002019

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Carotenoids and Related Compounds. Part

Carotenoids and Related Compounds. Part 36.. Further syntheses of zeaxanthin and rhodoxanthin

✍ Peter R. Ellis; A. Erol Faruk; Gerard P. Moss; Basil C. L. Weedon 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 German ⚖ 373 KB

## Abstract A modification of a previously reported synthesis of zeaxanthin (**1**), and routes to both zeaxanthin and rhodoxanthin (**2**) from α‐ionone, are described.

Technical Procedures for the Syntheses o

Technical Procedures for the Syntheses of Carotenoids and Related Compounds from 6-Oxo-isophorone: Syntheses of (3R,3′R)-Zeaxanthin. Part I

✍ Erich Widmer; Milan Soukup; Reinhard Zell; Emil Broger; Hans Peter Wagner; Marqu 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 German ⚖ 454 KB

Dedicated to Dr. Otfo Isler on the occasion of his 80th birthday (23.1V.90

Technical Procedures for the Syntheses o

Technical Procedures for the Syntheses of Carotenoids and Related Compounds from 6-Oxo-isophorone: Syntheses of (3R,3′R)-Zeaxanthin. Part II

✍ Milan Soukup; Erich Widmer; Theodor Lukáč 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 German ⚖ 420 KB

## Abstract Starting from the readily available, optically active (4__R__)‐hydroxy‐2,2,6‐trimethylcyclohexanone (2), a new technical synthesis of (3__R__,3′__R__)‐zeaxanthin is described. According to a completely new C~9~+C~2~+C~4~ = C~15~ scheme, the ketone 2 was protected, ethynylated with Li‐ac