1-Octyne → tert-Butyl-5-((4-(N-(3-methoxyphenyl)-N-methylsulfamoyl)phenyl)ethynyl)-2,2-dimethyl-1,3-dioxan-5-ylcarbamate

HRID 710337Notes

Reaction equation

HRID 710337 reaction equation
[C:1]([C:3]1([NH:11][C:12](=[O:18])[O:13][C:14]([CH3:17])([CH3:16])[CH3:15])[CH2:8][O:7][C:6]([CH3:10])([CH3:9])[O:5][CH2:4]1)#[CH:2].C#CCCCCCC.Br[C:28]1[CH:33]=[CH:32][C:31]([S:34]([N:37]([C:39]2[CH:44]=[CH:43][CH:42]=[C:41]([O:45][CH3:46])[CH:40]=2)[CH3:38])(=[O:36])=[O:35])=[CH:30][CH:29]=1.IC1C=C2C(=CC=1)CN(C(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)C2>>[C:14]([O:13][C:12](=[O:18])[NH:11][C:3]1([C:1]#[C:2][C:28]2[CH:29]=[CH:30][C:31]([S:34](=[O:36])(=[O:35])[N:37]([C:39]3[CH:44]=[CH:43][CH:42]=[C:41]([O:45][CH3:46])[CH:40]=3)[CH3:38])=[CH:32][CH:33]=2)[CH2:8][O:7][C:6]([CH3:10])([CH3:9])[O:5][CH2:4]1)([CH3:17])([CH3:16])[CH3:15]

Participants

5

Reactant 4

HCID 123701-OctyneHCID 115143851,1-Dimethylethyl N-(5-ethynyl-2,2-dimethyl-1,3-dioxan-5-yl)carbamateHCID 620032844-bromo-N-(3-methoxyphenyl)-N-methylbenzenesulfonamideHCID 667262485-Iodo-2-tritylisoindoline

Product 1

HCID 131733942tert-Butyl-5-((4-(N-(3-methoxyphenyl)-N-methylsulfamoyl)phenyl)ethynyl)-2,2-dimethyl-1,3-dioxan-5-ylcarbamateYield 59%

Procedure

When tert-butyl 5-ethynyl-2,2-dimethyl-1,3-dioxan-5-ylcarbamate was substituted for 1-octyne and the product of Step B was substituted for 5-iodo-2-tritylisoindoline in Example 2, Step D, the similar process afforded the title compound in 59% yield, as a creamy paste. 1H-NMR (CDCl3) 1.45 (s, 3H); 1.46 (s, 9H); 1.49 (5, 3H); 1.58 (s, 2H); 2.63 (s, 2H); 3.13 (s, 3H); 3.75 (s, 3H); 3.96 (d, 2H, J=17.23 Hz), 4.07 (d, 2H, J=17.23 Hz); 6.54 (dd, 1H, J=1.66, 7.92 Hz), 6.69 (tr, 1H, J=2.18 Hz); 6.79 (dd, 1H, J=2.39, 10.68 Hz); 7.16 (tr, 1H, J=8.15 Hz); 7.47 (s, 4H).

Sources & evidence

ORD record
ord-8ffce183ff9b4336a235c886e0df4ef1
Source dataset
uspto-grants-2015_11
Patent number
US09181182B2

Reaction notes

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