5-Chloromethyloxazolidin-2-one → HCID 59352784, compound
Reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]2([CH2:13][O:12][C:11]3[CH:14]=[C:15]4[C:19](=[CH:20][C:10]2=3)[CH2:18][CH2:17][O:16]4)[C:2]1=[O:21].CC1C2C=C3C4(C5C(=CC=CC=5)NC4=O)COC3=CC=2ON=1.Cl[CH2:45][CH:46]1[O:50][C:49](=[O:51])[NH:48][CH2:47]1.BrCC1OC(C(F)(F)F)=CC=1>>[O:51]=[C:49]1[NH:48][CH2:47][CH:46]([CH2:45][N:1]2[C:9]3[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=3)[C:3]3([CH2:13][O:12][C:11]4[CH:14]=[C:15]5[C:19](=[CH:20][C:10]3=4)[CH2:18][CH2:17][O:16]5)[C:2]2=[O:21])[O:50]1Participants
Reactant 4
Product 1
Procedure
Following the procedure as described in EXAMPLE 9 and making non-critical variations using 5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-2′(1′H)-one to replace 3-methylspiro[furo[3,2-f][1,2]benzisoxazole-5,3′-indol]-2′(1H)-one, and 5-chloromethyl-2-oxazolidinone to replace 2-(bromomethyl)-5-(trifluoromethyl)furan, 1′-[(2-oxo-1,3-oxazolidin-5-yl)methyl]-5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-2′(1H)-one was obtained (32%) as a colorless solid: mp 197-198° C.; 1H NMR (300 MHz, DMSO-d6) δ7.58 (s, 1H), 7.37-7.29 (m, 1H), 7.26-7.20 (m, 1H), 7.19-7.13 (m, 1H), 7.09-7.01 (m, 1H), 6.49-6.39 (m, 2H), 4.98-4.75 (m, 2H), 4.74-4.66 (m, 1H), 4.54-4.45 (m, 2H), 4.15-3.84 (m, 2H), 3.67-3.56 (m, 1H), 3.31-3.23 (m, 1H), 3.02-2.90 (m, 2H); 13C NMR (75 MHz, DMSO-d6) δ177.9, 177.6, 161.2, 160.6, 160.5, 158.3, 142.6 (2C), 132.2, 132.0, 128.7, 128.6, 123.5, 123.4, 123.0, 120.6, 120.5, 119.9, 119.0, 118.9, 109.7, 109.6, 92.5, 92.4, 79.8, 73.3, 73.2, 72.1, 56.8, 43.1, 42.7, 42.6, 28.4; MS (ES+) m/z 379.3 (M+1).
Sources & evidence
- ORD record
- ord-47fa6d940b6146c78416d5ccbeebf214
- Source dataset
- uspto-grants-2013_04
- Patent number
- US08415370B2
Reaction notes
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