2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63223We show that a large class of finite dimensional pointed Hopf algebras is quasi-isomorphic to their associated graded version coming from the coradical filtration, i.e. they are 2-cocycle deformations of the latter. This supports a slightly specialized form of a conjecture of Masuoka.19 pages, added section with new result, rest mainly unchangedQuantum Algebratext