000 | 00753nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 170101s2008 xx 000 0 und d | ||
082 | _aT 547.04 B20S | ||
100 | _aBangar, Jyoti | ||
245 | 0 | _aSynthesis of cyclic bis-quaternary salts of ammonia and their plant growth retardent activity | |
250 | _aChemistry | ||
260 |
_aLudhiana _bPAU _c2008 |
||
300 | _a29cm. : 195L. +CD | ||
520 | _aThe work has been carried out for the preparation and establishment of structures of bis-hydroxy tertiary amines by spectroscopic methods i.e. IR and NMR and their conversion to cyclic bis-quaternary salts of ammonia. Synthesized cyclic bis-quaternary amm | ||
650 | _aQUATERNARY AMMONIA SALTS | ||
653 | _aQUATERNARY AMMONIA SALTS | ||
942 |
_2ddc _cT |
||
999 |
_c128965 _d128965 |