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ChemInform Abstract: Integrated Chemical Process: An Extremely Concise Synthesis of Vitamin A.

✍ Scribed by A. ORITA; Y. YAMASHITA; A. TOH; J. OTERA

Publisher
John Wiley and Sons
Year
2010
Weight
25 KB
Volume
28
Category
Article
ISSN
0931-7597

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Integrated Chemical Process: An Extremel
Integrated Chemical Process: An Extremely Concise Synthesis of Vitamin A
✍ Dr. Akihiro Orita; Yasuo Yamashita; Akiji Toh; Prof. Dr. Junzo Otera πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 305 KB πŸ‘ 1 views

otera!o dac.ous.ac.jp Scheme 1. Stepwise synthesis of vitamin A (5). A) Dihydropyran (R = tetrahydropyranyl), ethylvinyl etherlp-toluenesulfonic acid (R = 1-ethoxyethyl) or (MeO),CH,/P,O,) (R = MOM) in CH,CI, or neat. B) tBuOK or MeOK in cyclohexane.