Question

find structure and iupac name

d. CHN HD: 215)+2-137 0 BENAR CUHB VCH 200 CE-OP- 150 160 140 120 0 100 Fpm Istruct 10 13 16n8tto 2 2nxt tosome Tanxt to some 4 Ukace 11 2nxt too 15 inxttoy 'H NMR 1 some? 6H 1H 2H “H 24 3.5 3.6 2.5 2.0 1.5 1.0 0.5 ppm

Answer 1

Hi Dear Friend, the unknown is pentan-3-amine (IUPAC name)

H₃CM CH₃ NH,

IR:

3367 & 3292 cm-1, amine N-H stretch

2961 to 2876 cm-1, sp3 C-H stretch

1610 cm-1, N-H bending

1461 to 1356 cm-1, sp3 C-H bending

1160 cm-1, C-N stretch

HNMR & CNMR assignments:

Since Hb carbon is a chiral carbon, hence Hc protons 2H, 2H further resolved well, both are same actually.

d. CHN HD: 215)+2-137 0 BENAR NH2 NCH 200 CE-OP- 150 160 140 120 0 100 Fpm Istruct 1613 Sms- 16n8tto 2 2nxt tosome anxt to some 4 Ukace 11 2nxt too 115 Inxttoy 'H NMR I some? 6H b NH 1.HR a 2H2H 2H AMA 3.5 TTT 3.0 2.5 2.0 1.5 1.0 0.5 ppm

Hope this helped you!

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