1Heat oven to 350°F. Sprinkle chicken with 1/2 teaspoon each of the salt and pepper. In 12-inch skillet or Dutch oven, heat oil over medium-high heat. Add chicken; cook 2 minutes on each side or until browned. Remove chicken to large shallow roasting pan.
2In small bowl, mix syrup, broth, orange peel, orange juice, bourbon, mustard, and remaining 1/2 teaspoon each salt and pepper. Place Brussels sprouts and carrots around chicken in pan; dot with butter. Drizzle vegetables with 1/4 cup of the orange mixture. Brush chicken with 1/4 cup orange mixture.
3Roast 1 hour 15 minutes, brushing every 20 minutes with orange mixture and stirring vegetables once, or until meat thermometer reads at least 165°F. In 1-quart saucepan, heat remaining orange mixture to boiling. Boil 2 minutes. Serve orange sauce with chicken and vegetables. Sprinkle with pecans.