Home > Chiral Compounds> ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate

ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate

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Origin: China

Cas No: 91229-91-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 91229-91-3 Formula: C14H23NO5 Molecular Weight: 285.33600

Basic Info

Chemical Name	ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
Synonyms	(S)-di-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate; di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate; tert-butyl (2S)-(1-tert-butoxycarbonyl)-5-oxo-pyrrolidine-2-carboxylate; (S)-tert-butyl-N-tert-butyloxycarbonylpyroglutamic acid; (S)-N-ALPHA-T-BUTYLOXYCARBONYL-PYROGLUTAMICACIDT-BUTYLESTER; boc-(2s)-pyroglut-tbu; (S)-N-Boc-pyroglutamic acid tert-butyl ester; (s)-n-boc-2-pyrrolidone-5-carboxylic acid tert-butyl ester; L-N-(t-butyloxycarbonyl)pyroglutamic acid tert-butyl ester; (S)-N-Boc-2-pyrrolidone-5-carboxylic acid t-butyl ester; boc-pyr(otbu)-oh; (2S)-di-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate; tert-butyl (S)-N-(tert-butyloxycarbonyl)pyroglutamate;
CAS No.	91229-91-3
Molecular Formula	C14H23NO5
Molecular Weight	285.33600
PSA	72.91000
LogP	2.19210

Properties

Density	1.102
Boiling Point	396.9ºC at 760 mmHg
Refractive Index	1.485

Safety Info

HS Code	2933790090

Synthesis Route

tert-butoxycarbonyl anhydride+5-oxo-L-proline→tert-butyl 1-(tert-butoxycarbonyl)-pyroglutamoylpyroglutamate+ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
tert-butoxycarbonyl anhydride+(S)-2-Pyrrolidone-5-carboxylic acid t-butyl ester→ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
tert-butoxycarbonyl anhydride+2-O-benzyl 1-O-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate→ditert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate

Precursor

5-oxo-L-proline
tert-butoxycarbonyl anhydride
(S)-2-Pyrrolidone-5-carboxylic acid t-butyl ester
Bis(2-methyl-2-propanyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate

Downstream Product

5-oxo-L-proline
(4S)-5-[(2-methylpropan-2-yl)oxy]-4-[(2-methylpropan-2-yl)oxycarbonylamino]-5-oxopentanoic acid
Methyl L-Pyroglutamate
(S)-2-Pyrrolidone-5-carboxylic acid t-butyl ester

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