in hexane T=20°C; 15 h;

in diethyl ether 1) -78 deg C to r.t., 2) 8 h, r.t.;

pyridine in dichloromethane; chloroform addn. of soln. of Pd-compd. in CHCl3 to soln. of org. compd. in CHCl3, stirring 3 h, evapn., extn. (Et2O, dimorpholinyl sulphide in this phase), stirring of ether-insoluble product with pyridine in CH2Cl2 (15 min); filtration to seperate the Methyldithioloisoquinolinium chloride, evapn. the CH2Cl2 soln., recrystn. (CH2Cl2-petroleum ether); elem. anal.;

1,2-diamino-benzene in diethyl ether T=-20°C;

extn. (Et2O);

in pyridine

(i) NaH, DME, (ii) /BRN= 104384/; Multistep reaction;