90741-27-8

90741-27-8 structure

Name: (S)-tert-butyl 1-benzyl-5-oxopyrrolidine-2-carboxylate
Chemical Name: (S)-tert-Butyl 1-benzyl-5-oxopyrrolidine-2-carboxylate
CAS Number: 90741-27-8
Molecular Formula: C₁₆H₂₁NO₃
Molecular Weight: 275.34300
Create Date: 2018-12-28 17:49:35
Modify Date: 2025-08-26 17:02:34

Name	(S)-tert-Butyl 1-benzyl-5-oxopyrrolidine-2-carboxylate
Synonyms	tert-butyl (2S)-1-benzyl-5-oxopyrrolidine-2-carboxylate 5-Oxo-1-(phenylmethyl)-L-proline 1,1-dimethylethyl ester

Density	1.138±0.06 g/cm3
Melting Point	73-74 ºC
Molecular Formula	C₁₆H₂₁NO₃
Molecular Weight	275.34300
Exact Mass	275.15200
PSA	46.61000
LogP	2.45720
Water Solubility	Very slightly soluble (0.39 g/L) (25 ºC)

HS Code	2933790090

35418-16-7

100-39-0

~83%

90741-27-8

Literature: Itoh, Takashi; Matsuya, Yuji; Enomoto, Yasuko; Ohsawa, Akio Tetrahedron, 2001 , vol. 57, # 34 p. 7277 - 7289

35418-16-7

~80%

90741-27-8

Literature: Itoh, Takashi; Miyazaki, Michiko; Ikeda, Sachiko; Nagata, Kazuhiro; Yokoya, Masashi; Matsuya, Yuji; Enomoto, Yasuko; Ohsawa, Akio Tetrahedron, 2003 , vol. 59, # 19 p. 3527 - 3536

540-88-5

90741-27-8

Literature: Hussaini, Syed Raziullah; Moloney, Mark G. Synthetic Communications, 2005 , vol. 35, # 8 p. 1129 - 1134

Precursor 3
35418-16-7 100-39-0 540-88-5
DownStream 0

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

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