While well-heeled Back Bay dwellers and diners forsake their in-town abodes for more bucolic (or coastal, as the case may be) surroundings, snag a coveted table at Deuxave. Chef-owner Chris Coombs and his chef de cuisine Adrienne Mosier have put up six new dishes that’ll make Summer in the City worth sticking around for – especially if you can pop by on a Friday night when they start popping open the bubbly.