2-Thiopheneboronic acid → HCID 59752518, compound

HRID 2106352Notes

Reaction equation

C(OC([N:8]1[CH2:17][CH2:16][C:15]2[C:11](=[C:12](OS(C(F)(F)F)(=O)=O)[N:13]([CH:18]([CH3:20])[CH3:19])[N:14]=2)[CH2:10][CH2:9]1)=O)(C)(C)C.[S:29]1[CH:33]=[CH:32][CH:31]=[C:30]1B(O)O>>[CH:18]([N:13]1[C:12]([C:30]2[S:29][CH:33]=[CH:32][CH:31]=2)=[C:11]2[C:15]([CH2:16][CH2:17][NH:8][CH2:9][CH2:10]2)=[N:14]1)([CH3:19])[CH3:20]

Participants

Reactant 2

HCID 27339602-Thiopheneboronic acid

HCID 865983802-isopropyl-3-trifluoromethanesulfonyloxy-4,5,7,8-tetrahydro-2H-1,2,6-triaza-azulene-6-carboxylic acid tert-butyl ester

Product 1

HCID 59752518HCID 59752518, compoundYield 36.2%

Procedure

The title compound (46 mg) was prepared according to Example 189 using 208 mg of 2-isopropyl-3-trifluoromethanesulfonyloxy-4,5,7,8-tetrahydro-2H-1,2,6-triaza-azulene-6-carboxylic acid tert-butyl ester (Example 189, Step A) and 187 mg of 2-thiopheneboronic acid. MS (ESI): exact mass calculated for C14H19N3S, 261.13; found, m/z 262.4 [M+H]+. 1H NMR (500 MHz, CD3OD): 7.70-7.69 (m, 1H), 7.25-7.23 (m, 1H), 7.15-7.14 (m, 1H), 4.65 (br s, 2H), 4.55-4.49 (m, 1H), 3.8-3.6 (m, 2H), 3.23-3.10 (m, 2H), 2.93-2.83 (m, 2H), 1.44-1.36 (m, 6H).

Sources & evidence

ORD record: ord-8cef697f0b4843f6a0a345f3cc95b2d8
Source dataset: uspto-grants-2009_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07579470B2

Reaction notes

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