In a large bowl, combine flour, baking powder, baking soda and salt and set aside. In another bowl, combine buttermilk, clementine juice, vanilla essence and chopped cranberries; Add the dry ingredients and the buttermilk mixture, alternately alternately to the batter, beginning and ending with the flour.Pour the batter into prepared pan. Bake for about 50 minutes, until a toothpick inserted into cake comes out clean. Allow resting for 15 minutes, in the bundt pan before transferring it to wire rack and cool completely. Dust with confectioner's sugar and served.