NOTES J. Org. Chem. Vol. 37, No. 11, 1972 1835 to stand under nitrogen at room temperature for 10 days. The yellow solution was cooled in an ice bath, diluted with 200 ml of 9. iyo aqueous EtOH, and treated with 8 g of NaBH4 (pellets) in portions over 3 min. The mixture was stirred at 0-5'for 1 hr and then at room temperature for 8 hr. The mixture was made strongly basic with 6 S NaOH and extracted with CH2C12. The organic extract wab ...
