Heat oil in a large nonstick skillet over medium-high heat. Sprinkle pork chops with coriander and 1/2 teaspoon salt. Add pork to pan; cook 3 minutes on each side. Remove from pan. Add shallots, thyme, garlic, and remaining 1/4 teaspoon salt to pan; sauté 1 minute. Stir in vinegar; cook 15 seconds or until liquid almost evaporates. Stir in broth; bring to a boil. Cook until reduced to 2/3 cup (about 3 minutes). Add jelly and pepper; cook 2 minutes or until jelly melts.
Combine 1 teaspoon cornstarch and 1 teaspoon water in a small bowl. Add cornstarch mixture to pan; bring to a boil. Cook 1 minute, stirring constantly. Add pork chops to pan; cook 1 minute or until thoroughly heated. Garnish pork chops with chives, if desired.