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ChemicalBook CAS DataBase List METHYL (2S,4R)-1-(TERT-BUTOXYCARBONYL)-4-METHYLPYROGLUTAMATE
196394-49-7

METHYL (2S,4R)-1-(TERT-BUTOXYCARBONYL)-4-METHYLPYROGLUTAMATE synthesis

15synthesis methods
1-(tert-butyl) 2-methyl (S,E)-4-((dimethylamino)methylene)-5-oxopyrrolidine-1,2-dicarboxylate

196394-47-5
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196394-48-6 Synthesis
METHYL (2S,4S)-1-(TERT-BUTOXYCARBONYL)-4-METHYLPYROGLUTAMATE

196394-48-6
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Yield:196394-48-6 80% ,196394-49-7 1.3%

Reaction Conditions:

with palladium 10% on activated carbon;hydrogen in ethyl acetate;isopropanol at 20; under 10343.2 Torr; for 72 h;Autoclave;stereoselective reaction;

References:

Caporale, Andrea;O′ Loughlin, Jennie;Ortin, Yannick;Rubini, Marina [Organic and Biomolecular Chemistry,2022,vol. 20,# 32,p. 6324 - 6328] Location in patent:supporting information