Some Alpine Touring (randonee) boots work only in alpine or AT frame bindings. A few work only in tech bindings (Dynafits, Plum, ATK, etc.). Many will work in both kinds of bindings. Some come with interchangeable heel and toes pieces to work in tech bindings/frame bindings with tech fittings and rubber soles and plain plastic toes and heels for alpine bindings.
An Alpine boot sucks for going up hill but check out Cast touring alpine binding adapters for a set up that should give you a real unpleasant work out with Nordica Dobermans. As surfacehoar said, you don't have to have a new boot but you will want a new boot; the rotating cuff of AT boots is there to make climbing reasonable.
Plenty of people are using Tech bindings and lightweight AT boots like the Dynafit TLT5P & Vulcan/Mercury to boots that weigh twice as much made by Dynafit, Scarpa, Garmont, Scott, etc. to drive skis in the 105-112 range.
I prefer to use alpine gear lift-served to get the benefit of the weight and construction and to use lightweight AT skis, boots, and tech bindings to get the most out of a tour/climb in the backcountry.
The heavier AT bindings Marker Duke & Baron and the forthcoming Dynafit monster etc. provide alpine binding weight and release.