Patent ID: 8206653

Claim:
An organic synthesizer, comprising: a stirring means provided at a position aligned with a supported reaction vessel and operative to rotate a stirrer contained together with a reagent within the supported reaction vessel in accordance with displacements of the magnetic field so as to stir the reagent within the supported reaction vessel; a pressure regulating means having a pressure-proof vessel capable of containing the reaction vessel hermetically and operative to regulate pressure in the reaction vessel housed within the pressure-proof vessel; and a pressure-proof vessel inner lid attached to cover an opening in the reaction vessel housed in the pressure-proof vessel, wherein the stirring means includes a stirring member formed in the shape of a rod extending vertically, wherein the stirring member has an upper end rotatably supported at a center of an inner circumferential surface of the pressure-proof vessel inner lid and a lower end immersed into the reagent within the reaction vessel and configured capable of gripping the stirrer under the immersed condition, and wherein outwardly protruding, resiliency deformable projections are formed at an outer circumferential surface of the pressure-proof vessel inner lid entirely in a circumferential direction, the projections having outer diameters formed larger than an inner diameter of the reaction vessel.