p-Toluenesulfonic acid → HCID 10374796, compound

HRID 981489Notes

Reaction equation

HRID 981489 reaction equation
O[CH:2]1[CH2:7][C:6]([CH3:9])([CH3:8])[O:5][C:4]2[CH:10]=[CH:11][S:12][C:3]1=2.C1(C)C=CC(S(O)(=O)=O)=CC=1>>[CH3:8][C:6]1([CH3:9])[O:5][C:4]2[CH:10]=[CH:11][S:12][C:3]=2[CH:2]=[CH:7]1

Participants

3

Procedure

A mixture of 5,6-dihydro-7-hydroxy-5,5-dimethyl-7H-thieno [3,2-b]pyran (1.3g, 7.06 mmol), p-toluenesulfonic acid (0.11 g, 0.58 mmol) and ground molecular sieves (1.3 g)

Sources & evidence

ORD record
ord-3179e90fa1144471a45b9a0223a3627c
Source dataset
uspto-grants-1991_02
Patent number
US04992435

Reaction notes

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