1958
DOI: 10.1007/bf00898773
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Die Synthese von ?-(o-Nitroaryl)-zimts�uren

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Cited by 3 publications
(4 citation statements)
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“…To a stirred solution of NaBH 4 (0.79 g, 21 mmol) in 25 mL of dry 1,2-dimethoxyethane at 0 °C under nitrogen was added dropwise titanium tetrachloride (0.76 mL, 7 mmol). The resultant mixture was stirred 10 min and then a solution of ( E )-2,3-bis( 2 -nitrophenyl)propenoic acid in 7 mL of dry 1,2-dimethoxyethane was added dropwise. The resultant mixture was stirred overnight.…”
Section: Methodsmentioning
confidence: 99%
“…To a stirred solution of NaBH 4 (0.79 g, 21 mmol) in 25 mL of dry 1,2-dimethoxyethane at 0 °C under nitrogen was added dropwise titanium tetrachloride (0.76 mL, 7 mmol). The resultant mixture was stirred 10 min and then a solution of ( E )-2,3-bis( 2 -nitrophenyl)propenoic acid in 7 mL of dry 1,2-dimethoxyethane was added dropwise. The resultant mixture was stirred overnight.…”
Section: Methodsmentioning
confidence: 99%
“…Condensation 16 of aldehyde 62 with acid 61, followed by carboxylic acid reduction, tert-butyldimethylsilyl (TBS) protection, and hydrogenation afforded cyclization precursor 63 in 53% yield over four steps. The oxidative cyclization of the dianiline 63 to diazocine 64 proceeded in 84% yield, which is virtually the same efficiency as that for the unsubstituted parent system.…”
Section: Journal Of the American Chemical Societymentioning
confidence: 99%
“…,, 5-SCH3, 3',4'-Cl, 180-182(C6H6) 706 C16HuC1,N04S S;CC Id 4-SCH3 2-NO" 3,5-Cl2 2-NO,, 3,5-Cl,, 4'-SCH3 142-153d (C6H6-petr ether) 70 In addition to C, H 6. From Ib.…”
mentioning
confidence: 99%
“…d Compound is a mixture of cis-and trans-cinnam- °From the sodium salt of aminocinnamic acid. 6 In addition to C, H. c Or the 6,7-dichloro isomer. d From methylthiophenanthroic acid.…”
mentioning
confidence: 99%