تفاعل #71582

ord-384567abaaa642179facb61d2dfc25f1

معادلة التفاعل

CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
20E
CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
20-Hydroxyecdysone
CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3[C@H](O)C[C@]12C
turkesterone
→
CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
20E
CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
20-Hydroxyecdysone
CC(C)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
ponasterone A

المتفاعلات

CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
20E
CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3CC[C@]12C
20-Hydroxyecdysone
CC(C)(O)CC[C@@H](O)[C@](C)(O)[C@H]1CC[C@@]2(O)C3=CC(=O)[C@@H]4C[C@@H](O)[C@@H](O)C[C@]4(C)[C@H]3[C@H](O)C[C@]12C
turkesterone

الكواشف

لا شيء

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

الإجراء التجريبي

Semi-synthetic steroids 20E 2-methyl ether, 20E 3-methyl ether, 20E 22-methyl ether, 20E 2,22-dimethyl ether, 20E 3,33-dimethyl ether, 20E 2,3,14,22-tetramethyl ether, 20-hydroxyecdysone 22-O-pyrrole carboxylate, and turkesterone-11 alpha propionate, turkesterone-11 alpha hexanoate, turkesterone-11 alpha decanoate were prepared from 20E or turkesterone. The remaining steroids were isolated from plant materials, except for ponasterone A which was also synthesised from 20-hydroxyecdysone. Muristerone A which was purchased by AG Scientific Inc (San Diego, Calif.). The following compounds were generously supplied by other researchers: 2-deoxyecdysone, ecdysone, 2-deoxy-20-hydroxyecdysone, and cyasterone (Prof. René Lafont), taxisterone, polypodine B, ajugasterone C, (25S)-inokosterone, (25R)-inokosterone, makisterone A, makisterone C, carthamosterone, intergristerone A (Dr. Juraj Harmatha), 20-hydroxyecdysone (Dr. Vladimir Volodin), turkesterone (Prof. Zyadilla Saatov) and canescensterone (Prof. Apichart Suksamram). Reagents and solvents used for the synthesis/purification were purchased from Fisher Scientific and Sigma-Aldrich. Water for HPLC was deionized to a degree of purity of 17 W.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US08536354B2uspto-grants-2013_09