Benzoic Acid → 6-Benzoylbenzothiazolinone

HRID 373136Notes

Reaction equation

HRID 373136 reaction equation
[S:1]1(=[O:10])[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[CH:2]1.[C:11](O)(=[O:18])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1>>[C:11]([C:7]1[CH:8]=[CH:9][C:4]2[N:3]=[CH:2][S:1](=[O:10])[C:5]=2[CH:6]=1)(=[O:18])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1

Participants

3

Reactant 2

HCID 243Benzoic AcidHCID 53400715Benzothiazolinone

Product 1

HCID 1317171596-Benzoylbenzothiazolinone

Conditions

Temperature
130 °C

Procedure

To a solution of 0.04 mol of benzothiazolinone in 150 g of polyphosphoric acid there is slowly added, with agitation, 0.05 mol of benzoic acid. The reaction medium is heated to 130° C. for 4 hours. After cooling, the mixture is hydrolyzed in 10 volumes of ice-cold water.

Workup

  1. temperatureAfter cooling

Sources & evidence

ORD record
ord-a31a0d9e825f49969fca7802ab029d5e
Source dataset
uspto-grants-1992_11
Patent number
US05162350

Reaction notes

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