(Solution) - Propose structures for compounds that fit the following 1H NMR -(2025 Original AI-Free Solution)

Paper Details

Propose structures for compounds that fit the following 1H NMR data:
(a) C4H6Cl2
2.18 ? (3 H, singlet)
4.16 ? (2 H, doublet, J = 7 Hz)
5.71 ? (1 H, triplet, I = 7 Hz)
(b) C10H14
1.30 ? (9 H, singlet)
7.30 ? (5 H, singlet)
(c) C4H7BrO
2.11 ? (3 H, singlet)
3.52 ? (2 H, triplet, J = 6 Hz)
4.40 ? (2 H, triplet, J = 6 Hz)
(d) C9H11Br
2.15 ? (2 H, quintet, J = 7 Hz)
2.75 ? (S (2 H, triplet, J = 7 Hz)
3.38 ? (2 H, triplet, J = 7 Hz)
7.22 ? (5 H, singlet)