4-metil-2-(2-oxo-6-trifluormetil-1,3-oxazinan-3-il) pentanoato de metila – (4a)
1
H NMR (400 MHz, CDCl
3
) δ = 0,96 (s, 3H, H-10); 0,99 (s, 3H, H-10’); 1,49 - 1,56 (m,
1H, H-9); 1,75 (t, 2H,
3
JH
7
H
8
H
9
= 6,7 Hz, H-8); 2,11 – 2,37 (m, 2H, H-3); 3,32 – 3,54
(m, 2H, H-4); 3,73 (s, 3H, -OCH
3
); 4,64 – 4,74 (m, 1H, H-2); 5,05 (t, 1H,
3
JH
7
H
8
H
8’
=
7,8 Hz, H-7);
13
C NMR (100 MHz, CDCl
3
) δ = 20,9 (C3); 21,1 (C10); 23,1 (C10’); 24,8
9); 36,8 (C8); 38,7 (C4); 52,3 (C12); 57,0 (C7); 73,4 (
2
J
C – F
= 34,3 Hz, C2); 123,0
-O), 1716
(C11); 21,6; 22,4 (C3); 25,0; 25,1 (C9); 32,8; 33,5 (C8); 45,6;
6,3 (C4); 51,3 (C12); 68,3; 69,1 (C7); 74,6; 74,7 (
2
J
C – F
= 32,2 Hz, C2); 82,5; 82,7
66 (=C-O),
(C
(
1
J
C – F
= 280,0 Hz, C1); 151,4 (C6); 171,7 (C11); ν (Filme, cm
-1
), 1265 (=C
(C=O); Fórmula Molecular = C
12
H
18
F
3
NO
4
, Massa Molecular = 297,27; Análise
Elementar Calc: C = 48,48 %; H = 6,10 %; N = 4,71 %; Experimental: C = 48,89 %; H
= 6,49 %; N = 5,37 %.
3-metil-2-(6-trifluormetil-1,3-oxazinan-3-il) pentanoato de metila – (5a)
1
H NMR (400 MHz, CDCl
3
) δ = 0,84 (2d, 6H,
3
JH
11
H
8
= 6,6 Hz, 2H-11); 0,88 (2t, 6H,
3
JH
10
H
9
= 7,4 Hz, 2H-10); 1,06 – 1,18 (m, 2H, 2H-9); 1,47 (d/d, 1H, J
H – H
= 2,3 Hz;
3
JH
3
H
4
= 13,0 Hz, H-3); 1,55 (d/d, 1H, J
H – H
= 2,4 Hz;
3
JH
3
H
4
= 13,0 Hz, H-3); 1,63 –
1,69 (m, 2H, 2H-9); 1,82 – 2,02 (m, 4H, 2H-3, 2H-8); 2,85 – 2,93 (m, 2H, 2H-4); 3,02
(d, 1H, J
H – H
= 10,2 Hz, H-7); 3,11 (d, 1H, J
H – H
= 9,8 Hz, H-7); 3,15 – 3,18 (m, 2H,
2H-4); 3,70 (s, 3H, OCH
3
); 3,71 (s, 3H, -OCH
3
); 3,82 – 3,88 (m, 2H, 2H-2); 4,20 (d,
1H, J
H – H
= 9,6 Hz, H-6); 4,33 (d, 1H, J
H – H
= 10,0 Hz, H-6); 4,64 (d, 1H, J
H – H
= 9,6
Hz, H-6); 4,70 (d, 1H, J
H – H
= 10,0 Hz, H-6);
13
C NMR (100 MHz, CDCl
3
) δ = 10,4;
10,5 (C10); 15,1; 15,2
4
(C6); 123,6 (
1
J
C – F
= 279,0 Hz, C1); 172,5; 173,2 (C11); ν(Filme, cm
-1
), 12
1718 (C=O); Fórmula Molecular = C
12
H
20
F
3
NO
3
, Massa Molecular = 283,29; Análise
Elementar Calc: C = 50,88 %; H = 7,12 %; N = 4,94 %; Experimental: C = 49,83 %; H
= 6,85 %; N = 4,39 %.
3-fenil-2-(6-trifluormetil-1,3-oxazinan-3-il) propanoato de metila – (5b)
1
H NMR (200 MHz, CDCl
3
) δ = 1,55-1,59(m, 2H, 2H-3); 1,93 – 2,00 (m, 2H, 2H-3);
2,89 – 3,01
a
(m, 6H, 2H-4, 4H-10); 2,89 – 3,28
a
(m, 2H, 2H-4); 3,55 (s, 3H, -OCH
3
);
3,59 (s, 3H, -OCH
3
); 3,62 – 3,71 (m, 2H, 2H-7); 3,80 – 3,90 (m, 2H, 2H-2); 4,28 (d, 1H,
2
JH
6
H
6
= 9,8 Hz, H-6); 4,35 (d, 1H,
2
JH
6
H
6
= 10,3 Hz, H-6); 4,73 (d, 1H,
2
JH
6
H
6
= 9,8
Hz, H-6); 4,80 (d, 1H,
2
JH
6
H
6
= 10,3 Hz, H-6); 7,14 – 7,30 (m, 10H, 2Ph);
13
C NMR
106