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Triethylamine → HCID 178495796, compound

HRID 78442
Notes
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Reaction equation

HRID 78442 reaction equation
[CH:1]1[C:10]2[CH:9]=[CH:8][CH:7]=[C:6]([C:11]([OH:13])=O)[C:5]=2[CH:4]=[CH:3][N:2]=1.S(Cl)(Cl)=O.[CH3:18][O:19][CH2:20][CH2:21][N:22]1[C:26]([CH3:27])=[C:25]([CH3:28])[S:24][C:23]1=[NH:29].CCN(CC)CC>C1COCC1>[CH3:18][O:19][CH2:20][CH2:21][N:22]1[C:26]([CH3:27])=[C:25]([CH3:28])[S:24]/[C:23]/1=[N:29]\[C:11]([C:6]1[C:5]2[CH:4]=[CH:3][N:2]=[CH:1][C:10]=2[CH:9]=[CH:8][CH:7]=1)=[O:13]
ParticipantsProcedureSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 24386Thionyl ChlorideHCID 260936Isoquinoline-5-carboxylic acidHCID 668517233-(2-Methoxy-ethyl)-4,5-dimethyl-3H-thiazol-2-ylideneamine

Product 1

HCID 178495796HCID 178495796, compoundYield 27%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

The isoquinoline-5-carboxylic acid (Lancaster, 0.25 g, 1.4 mmol) was converted to the corresponding acid chloride with 5 mL of thionyl chloride using the method described in Example 134A. The product of Example 126A (0.20 g, 1.1 mmol), Et3N (0.3 mL, 2.2 mmol) and the acid chloride in 30 mL THF were processed as in Example 134B to afford the title compound (98 mg, 0.29 mmol, 27% yield). 1H NMR (300 MHz, CD3OD) δ ppm 2.31 (s, 3H), 2.35 (s, 3H), 3.31 (s, 3H), 3.81 (t, J=5.3 Hz, 2H), 4.50 (t, J=5.3 Hz, 2H), 7.76 (dd, J=7.5, 7.5 Hz, 1H), 8.23 (d, J=8.1 Hz, 1H), 8.48 (d, J=6.4 Hz, 1H), 8.61 (dd, J=7.1, 1.4 Hz, 1H), 9.03 (d, J=6.1 Hz, 1H), 9.27 (d, J=1.0 Hz, 1H); MS (DCI/NH3) m/z 342 (M+H)+; Anal. calculated for C18H19N3O2S: C, 63.32; H, 5.61; N, 12.31. Found: C, 62.97; H, 5.54; N, 12.07.

Sources & evidence

ORD record
ord-17bdecf1e4834c348256a85355557cd1
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08841334B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes