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Sunday, 23 September 2018

3-fluoro-4- morpholinoaniline

STR1 STR2
3-fluoro-4- morpholinoaniline
1H NMR (400MHz, CDCl3)  6.82 (m, 1H, ArH), 6.43 (m, 2H, 2xArH), 3.87 (m, 4H, 2xCH2O), 3.58 (brs, 2H, NH2), 2.99 (m, 4H, 2xCH2N). 13C NMR (100MHz, CDCl3)  156.9 (d J= 245.4Hz), 143.0 (d J=10.4Hz), 131.8 (d J=9.7Hz), 120.4 (d J=4.2Hz), 110.8 (d J=3.0Hz), 104.0 (d J=23.8Hz), 67.3, 51.9 (d J=2.1Hz). HRMS [M] Calcd for C10H13FN2O 196.1006, Found 196.1004.
 
Org. Process Res. Dev., Article ASAP
DOI: 10.1021/acs.oprd.8b00153

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4-(2-fluoro-4-nitrophenyl)morpholine

str3 str4
4-(2-fluoro-4-nitrophenyl)morpholine
1H NMR (400MHz, CDCl3)  8.03 (ddd J=1.0, 2.6 and 9.0Hz, 1H, ArH), 7.94 (dd J=2.6 and 13.1Hz, 1H, ArH), 6.94 (t J=8.7Hz, 1H, ArH), 3.90 (t J=4.7Hz, 4H, 2xCH2O), 3.31 (m, 4H, 2xCH2N).
13C NMR (100MHz, CDCl3)  153.3 (d J=249.5), 145.6 (d J=7.8Hz), 121.1 (d J=3.0Hz), 117.0 (d J=3.9Hz), 112.7 (d J=6.4Hz), 66.7, 50.0 (d J=4.9Hz).
HRMS [M] Calcd for C10H11FN2O3 226.0748, Found 226.0749.

Catalytic Static Mixers for the Continuous Flow Hydrogenation of a Key Intermediate of Linezolid (Zyvox)

James GardinerXuan NguyenCharlotte GenetMike D. HorneChristian H. Hornung, and John Tsanaktsidis
 
Org. Process Res. Dev., Article ASAP
DOI: 10.1021/acs.oprd.8b00153
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Friday, 14 September 2018

1-(4-Cyanophenyl)piperazine


STR1

1-(4-Cyanophenyl)piperazine
1-(4-Cyanophenyl)piperazine (1a).1 Isolated as a mixture of mono (1a) and di (3) arylated products ~9:1. Conversion: quantitative. Peaks attributed to 1a: 1H NMR (400 MHz, CD3Cl) δH 7.47 (m, 2H, arH), 6.83 (m, 2H, ar-H), 3.26 (m, 4H, pip-H), 2.99 (m, 4H, pip-H), 1.69 (br s, 1H, NH). Peaks attributed to 3: 7.52 (d, J = 9.0 Hz, 4H, ar-H), 6.88 (d, J = 9.0 Hz, 4H, ar-H), 3.29 (s, 8H, pip-H).
Org. Process Res. Dev., Article ASAP
DOI: 10.1021/acs.oprd.8b00090
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