857629-78-8

857629-78-8 structure

Name: (E)-3-O-Methyl Entacapone
Chemical Name: (E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)prop-2-enamide
CAS Number: 857629-78-8
Molecular Formula: C₁₅H₁₇N₃O₅
Molecular Weight: 319.313
Create Date: 2016-12-14 00:28:16
Modify Date: 2024-01-09 23:12:10

Name	(E)-2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)prop-2-enamide
Synonyms	2-Propenamide, 2-cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-, (2E)- Entacapone 3-Methyl Ether (2E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylamide

Density	1.3±0.1 g/cm3
Boiling Point	514.1±50.0 °C at 760 mmHg
Molecular Formula	C₁₅H₁₇N₃O₅
Molecular Weight	319.313
Flash Point	264.7±30.1 °C
Exact Mass	319.116821
PSA	119.38000
LogP	2.18
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.602

6635-20-7

26391-06-0

~95%

857629-78-8

Literature: Dipharma Francis S.r.l. Patent: EP1935873 A1, 2008 ; Location in patent: Page/Page column 5 ;

893419-47-1

~94%

857629-78-8

Literature: SUNSHINE LAKE PHARMA CO., LTD.; ZHOU, Dongsheng; LIU, Liu; MAO, Bin; LIU, Yun Patent: WO2013/149566 A1, 2013 ; Location in patent: Paragraph 0042 ;

6635-20-7

26391-06-0

158693-04-0

857629-78-8

Literature: WO2005/63693 A1, ; Page/Page column 7-8 ;

893419-47-1

158693-04-0

857629-78-8

Literature: WO2006/64296 A1, ; Page/Page column 6-7 ;

26391-06-0

857629-78-8

Literature: Synthetic Communications, , vol. 42, # 9 p. 1359 - 1366

121-33-5

857629-78-8

Literature: Synthetic Communications, , vol. 42, # 9 p. 1359 - 1366

Precursor 3
6635-20-7 26391-06-0 121-33-5
DownStream 1
130929-57-6

857629-78-8	146698-91-1
15873-40-2	316821-53-1
60491-16-9	41397-71-1
24587-26-6	102230-50-2
85969-88-6	76888-39-6
1158522-08-7	940364-43-2
134104-43-1	732245-53-3
131615-57-1	909122-29-8
6906-52-1	930439-75-1
1018584-77-4	1375289-11-4