HCID 67721649, compound → HCID 67721210, compound

Participants

Reaction Steps

The compound 11 obtained above (220 mg, 0.518 mmole) was dissolved in 4 ml of a mixture of acetic acid-water-tetrahydrofuran (65:35:10) and the solution was heated with stirring at 40°-45° C. for one and half hours. Then, the reaction mixture was treated following the procedure similar to that of Example 4, to yield the title compound 12 (156 mg, 88%) as a colorless oil.

Provenance & Evidence