**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, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. II. Synthese von (3 S, 3′S)-Astaxanthin
✍ Scribed by Frank Kienzle; Hans Mayer
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- German
- Weight
- 453 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
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, 15′‐didehydroastaxanthin (20) are reported.
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