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ChemicalBook CAS DataBase List methyl (33R,35S,91R,92R,5S,Z)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphan-12-yne-35-carboxylate
1425038-23-8

methyl (33R,35S,91R,92R,5S,Z)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphan-12-yne-35-carboxylate synthesis

10synthesis methods
L-Proline, 4-[[3-[5-[(1R,2R)-2-[[[[(1S)-1-carboxy-2,2-dimethylpropyl]amino]carbonyl]oxy]cyclopropyl]-1-pentyn-1-yl]-7-methoxy-2-quinoxalinyl]oxy]-, 2-methyl ester, (4R)-

1425038-22-7
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methyl (33R,35S,91R,92R,5S,Z)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphan-12-yne-35-carboxylate

1425038-23-8
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-

Yield:1425038-23-8 56.2 g

Reaction Conditions:

with N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate in tetrahydrofuran;methanol;N,N-dimethyl acetamide at -5 - 5; for 7 h;Inert atmosphere;

References:

Xu, Feng;Kim, Jungchul;Waldman, Jacob;Wang, Tao;Devine, Paul [Organic Letters,2018,vol. 20,# 22,p. 7261 - 7265] Location in patent:supporting information

74844-91-0 Synthesis
N-Boc-trans-4-Hydroxy-L-proline methyl ester

74844-91-0
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methyl (33R,35S,91R,92R,5S,Z)-5-(tert-butyl)-17-methoxy-4,7-dioxo-2,8-dioxa-6-aza-1(2,3)-quinoxalina-3(3,1)-pyrrolidina-9(1,2)-cyclopropanacyclotetradecaphan-12-yne-35-carboxylate

1425038-23-8
9 suppliers
inquiry