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in a medium comprising a mixture of water and an or› ganic miscible solvent where the water in said medium comprises from about 30% to about 60% by volume of the total volume of water and solvent, and an acid hav› ing a pKa between about 1.0 and about 3.0 in an amount sufficient to provide at least about 1 mole equivalent of acid per mole of cyclized compound to provide a com› pound of the Formula: 

6. A process of claim 5 where said acid is chosen from the group consisting of chloroacetic acid, dichloroace- tic acid and mixtures thereof. 

7. A process of claim 5 where said miscible organic solvent is chosen from the group consisting of metha› nol, ethanol, isopropanol, acetone and mixtures of these. 

8. A process of claim 5 where the water in said me› dium comprises about 50% by volume of the total vol› ume of water and solvent. 

9. A process which comprises the step of hydrating cyclized compound of the Formula: 

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<img src='content_image/947538.jpg'>

in a medium comprising a mixture of water and a water miscible organic solvent where the amount of water is between about •30% and about 60% by• volume of total volume of the water and solvent chosen from the group consisting of methanol, ethanol, isopropanol, acetone and mixtures of these and an acid selected from the group consisting of chloroacetfc acid, dichloroacetic acid or mixtures thereof in an amount sufficient to pro› vide at least about l mole equivalent of acid per mole of cyclized compound to provide a compound of the For› mula: 

10. A process of claim 9 where the water in said medium comprises about 50% by volume of the total volume of water and solvent. 

11. A process of claim 9 where said acid is chloroace› tic acid. 

12. A process of claim 9 where said acid is dichloro› acetic acid. 

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