TY - BOOK AU - ARVINDER Kaur TI - Studies on synthesis and herbicidal activity of compounds containing hetero atoms U1 - T 547.59 A79S PY - 1991/// CY - Ludhiana PB - PAU KW - HETEROCYCLIC COMPOUNDS -- SYNTHESIS KW - HERBICIDAL ACTIVITY KW - HERBICIDES KW - PHOSPHONATES KW - SYNTHESIS N2 - Various acyl phosphonates were synthesized by converting phenoxyacetic acid. naphthoxyacetic acid. 2.4-dichlolrophenoxyacetic acid and m-methylphenoxy acetic acid into corresponding acid chloride. followed by treatment with triethylphosphite and tributylp ER -