in tetrahydrofuran under N2; soln. of 2.1 mmol NaMn(CO)3(P(OMe)3)2 in THF cooled to -78°C, 2.2 mmol S(CH2)3SCHCl added; mixt. warmed up to room temp. and stirred for 12 h; pptd. NaCl filtered off, solvent removed; residue extd. with pentane; crystn. at -80°C; elem anal.;