This invention comprises the novel compounds of formula (I) ##STR00001##
wherein r, t, Y.sup.1--Y.sup.2, R.sup.1, R.sup.2, R.sup.3, R.sup.4,
R.sup.5, R.sup.6 and R.sup.7 have defined meanings, having farnesyl
transferase inhibiting activity; their preparation, compositions
containing them and their use as a medicine.