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7856706 
Journal Article 
An abnormal reaction of N-(2,4-dinitrophenyl)-L-proline with thionyl chloride 
Xu, ZB; Guo, ZR 
2003 
1 
Chinese Chemical Letters
ISSN: 1001-8417
EISSN: 1878-5964 
14 
2 
133-134 
English 
WOS:000181228600008 
N- (2,4-Dinitrophenyl)-4-amino-n-butyl aldehyde 3 was obtained with high yield oF 80% when N- (2,4-dinitrophenyl)-L-proline 1 reacted with SOCl2 at room temperature. However, the anticipated product N- (2,4-dinitrophenyl)-tetrahydropyrrolyl-2-(4-methylthiophenyl) ketone 2 did not be produced. The mechanism was discussed in this article. 
L-proline; 1-fluoro-2,4-dinitrobenzene(FDNB); N-(2,4-dinitrophenyl)-4-amino-n-butyl aldehyde 
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