A borane-sulfide represented by the formula BH.sub.3.SR.sup.1 R.sup.2 wherein B is boron, H is hydrogen, R.sup.1 and R.sup.2 each are straight or branched chain alkyl or alkoxy with at least one R being a branched chain when both R.sup.1 and R.sup.2 are alkyl, and S is sulfur. The compounds are hydroboration agents.
                            一种
硼硫化物,其
化学式为BH.sub.3.SR.sup.1 R.sup.2,其中B代表
硼,H代表氢,R.sup.1和R.sup.2均为直链或支链烷基或烷氧基,当R.sup.1和R.sup.2均为烷基时,至少一个R为支链,S代表
硫。该化合物是氢化硼试剂。