ORDER
REPRINTS
SILATRANES
3719
(2H, m; CH2-C-Si), 3.55 (6H, m; CH2N), 4.01 (4H, t; CH2-O), 6.69–7.81
(9H, m; Ar-H), 8.17 (1H, s; CH¼N); Anal. Calcd (%). for C21H27N2O2SiF:
C 65.25, H 7.04, N 7.25, Found (%): C 65.60, H 7.03, N 7.43.
c-N-(o-Chlorobenzylidene)aminopropyl-2-methyl-6-phenyl-1,3-
dioxa-6-aza-2-silacyclooctane (IIIc): IR (cmÀ1): 3063, 3025, 1637, 1137,
1
1069, 535, 505; HNMR (CDCl3): d (ppm): À0.05 (3H, s; CH3-Si), 0.56
(2H, t; CH2-Si), 1.75 (2H, m; CH2-C-Si), 3.55 (6H, m; CH2N), 3.95 (4H,
t; CH2-O), 6.57–7.98 (9H, m; Ar-H), 8.53 (1H, s; CH¼N); Anal. Calcd (%)
for C21H27N2O2SiCl: C 62.59, H 6.75, N 6.95, Found (%): C 62.35, H 6.55,
N 6.89.
c-N-(o-Brombenzylidene)aminopropyl-2-methyl-6-phenyl-1,3-
dioxa-6-aza-2-silacyclooctane (IIId): IR (cmÀ1): 3062, 3024, 1635, 1137,
1
1069, 535, 505; H NMR (CDCl3): d (ppm): À0.06 (3H, s; CH3-Si), 0.54
(2H, t; CH2-Si), 1.74 (2H, m; CH2-C-Si), 3.55 (6H, m; CH2N), 3.95 (4H,
t; CH2-O), 6.57–8.02 (9H, m; Ar-H), 8.55 (1H, s; CH¼N); Anal. Calcd (%).
for C21H27N2O2SiBr: C 56.37, H 6.08, N 6.26, Found (%): C 56.37, H 6.33,
N 6.16.
c-N-( p-Chlorobenzylidene)aminopropyl-2-methyl-6-phenyl-1,3-
dioxa-6-aza-2-silacyclooctane (IIIe) : IR (cmÀ1): 3062, 3024, 1645, 1137,
1
1069, 537, 505; H NMR (CDCl3): d (ppm): À0.01 (3H, s; CH3-Si), 0.49
(2H, t; CH2-Si), 1.61 (2H, m; CH2-C-Si), 3.46 (6H, m; CH2N), 3.88 (4H,
t; CH2-O), 6.50–7.55 (9H, m; Ar-H), 8.00 (1H, s; CH¼N); Anal. Calcd (%).
for C21H27N2O2SiCl: C 62.59, H 6.75, N 6.95, Found (%): C 62.42, H 6.85,
N 7.08.
c-N-( p-Methylthiobenzylidene)aminopropyl-2-methyl-6-phenyl-1,3-dioxa-
6-aza-2-silacyclooctane (IIIf): IR (cmÀ1): 3023, 1641, 1135, 1069, 536, 506;
1H NMR (CDCl3): d (ppm): À0.06 (3H, s; CH3-Si), 0.51 (2H, t; CH2-Si), 1.71
(2H, m; CH2-C-Si), 2.48 (3H, S:CH3S), 3.56 (6H, m; CH2N), 3.94 (4H, t; CH2-
O), 6.57–7.65 (9H, m; Ar-H), 8.09 (1H, s; CH¼N); Anal. Calcd (%). for
C22H30N2O2SSi: C 63.73, H 7.29, N 6.76, Found (%): C 63.58, H 7.01, N 6.86.
c-N-( p-Methoxybenzylidene)aminopropyl-2-methyl-6-phenyl-1,3-dioxa-
6-aza-2-silacyclooctanes (IIIg): IR (cmÀ1): 3062, 1637, 1137, 1069, 536, 505;
1H NMR (CDCl3): d (ppm): À0.03 (3H, s; CH3-Si), 0.56 (2H, t; CH2-Si),
1.75 (2H, m; CH2-C-Si), 3.55 (9H, m; CH3O, CH2N), 3.93 (4H, t; CH2-O),
6.59–7.98 (9H, m; Ar-H), 8.65 (1H, s; CH¼N); Anal. Calcd (%).
for C22H30N2O3Si: C 66.30, H 7.59, N 7.03, Found (%): C 66.30, H 7.59,
N 7.13.
c-N-(m,p-Dichlorobenzylidene)aminopropyl-2-methyl-6-phenyl-1,3-dioxa-
6-aza-2-silacyclooctane (IIIh): IR (cmÀ1): 3062, 1647, 1137, 1069, 536, 505;
1H NMR (CDCl3): d (ppm): À0.01 (3H, s; CH3-Si), 0.55 (2H, t; CH2-Si),
1.77 (2H, m; CH2-C-Si), 3.55 (6H, m; CH2N), 3.99 (4H, t; CH2-O),
6.61–7.83 (8H, m; Ar-H), 8.08 (1H, s; CH¼N); Anal. Calcd (%). for