id sid tid token lemma pos z890rr19n4s 1 1 the the DET z890rr19n4s 1 2 research research NOUN z890rr19n4s 1 3 in in ADP z890rr19n4s 1 4 this this DET z890rr19n4s 1 5 dissertation dissertation NOUN z890rr19n4s 1 6 focuses focus VERB z890rr19n4s 1 7 on on ADP z890rr19n4s 1 8 the the DET z890rr19n4s 1 9 synthesis synthesis NOUN z890rr19n4s 1 10 and and CCONJ z890rr19n4s 1 11 in in ADP z890rr19n4s 1 12 vitro vitro X z890rr19n4s 1 13 testing testing NOUN z890rr19n4s 1 14 of of ADP z890rr19n4s 1 15 structurally structurally ADV z890rr19n4s 1 16 novel novel ADJ z890rr19n4s 1 17 potential potential NOUN z890rr19n4s 1 18 & & CCONJ z890rr19n4s 1 19 # # SYM z890rr19n4s 1 20 946;-lactam 946;-lactam NUM z890rr19n4s 1 21 antibiotic antibiotic ADJ z890rr19n4s 1 22 mimics mimic NOUN z890rr19n4s 1 23 utilizing utilize VERB z890rr19n4s 1 24 a a DET z890rr19n4s 1 25 heteroatom heteroatom NOUN z890rr19n4s 1 26 - - PUNCT z890rr19n4s 1 27 activation activation NOUN z890rr19n4s 1 28 strategy strategy NOUN z890rr19n4s 1 29 . . PUNCT z890rr19n4s 2 1 it it PRON z890rr19n4s 2 2 had have AUX z890rr19n4s 2 3 been be AUX z890rr19n4s 2 4 previously previously ADV z890rr19n4s 2 5 demonstrated demonstrate VERB z890rr19n4s 2 6 that that SCONJ z890rr19n4s 2 7 isoxazolidines isoxazolidine NOUN z890rr19n4s 2 8 appended append VERB z890rr19n4s 2 9 with with ADP z890rr19n4s 2 10 a a DET z890rr19n4s 2 11 phenyl phenyl NOUN z890rr19n4s 2 12 acetyl acetyl NOUN z890rr19n4s 2 13 side side NOUN z890rr19n4s 2 14 chain chain NOUN z890rr19n4s 2 15 exhibited exhibit VERB z890rr19n4s 2 16 antibacterial antibacterial ADJ z890rr19n4s 2 17 activity activity NOUN z890rr19n4s 2 18 when when SCONJ z890rr19n4s 2 19 tested test VERB z890rr19n4s 2 20 against against ADP z890rr19n4s 2 21 a a DET z890rr19n4s 2 22 strain strain NOUN z890rr19n4s 2 23 of of ADP z890rr19n4s 2 24 bacteria bacteria NOUN z890rr19n4s 2 25 sensitive sensitive ADJ z890rr19n4s 2 26 to to ADP z890rr19n4s 2 27 & & CCONJ z890rr19n4s 2 28 # # SYM z890rr19n4s 2 29 946;-lactam 946;-lactam NUM z890rr19n4s 2 30 antibiotics antibiotic NOUN z890rr19n4s 2 31 such such ADJ z890rr19n4s 2 32 as as ADP z890rr19n4s 2 33 e. e. PROPN z890rr19n4s 2 34 coli coli PROPN z890rr19n4s 2 35 x580 x580 PROPN z890rr19n4s 2 36 . . PUNCT z890rr19n4s 3 1 it it PRON z890rr19n4s 3 2 was be AUX z890rr19n4s 3 3 then then ADV z890rr19n4s 3 4 hypothesized hypothesize VERB z890rr19n4s 3 5 that that SCONJ z890rr19n4s 3 6 the the DET z890rr19n4s 3 7 activity activity NOUN z890rr19n4s 3 8 seen see VERB z890rr19n4s 3 9 with with ADP z890rr19n4s 3 10 this this DET z890rr19n4s 3 11 compound compound NOUN z890rr19n4s 3 12 was be AUX z890rr19n4s 3 13 due due ADJ z890rr19n4s 3 14 to to ADP z890rr19n4s 3 15 the the DET z890rr19n4s 3 16 weinreb weinreb PROPN z890rr19n4s 3 17 amide amide PROPN z890rr19n4s 3 18 moiety moiety PROPN z890rr19n4s 3 19 present present ADJ z890rr19n4s 3 20 in in ADP z890rr19n4s 3 21 the the DET z890rr19n4s 3 22 molecule molecule NOUN z890rr19n4s 3 23 and and CCONJ z890rr19n4s 3 24 a a DET z890rr19n4s 3 25 carefully carefully ADV z890rr19n4s 3 26 positioned position VERB z890rr19n4s 3 27 ionizable ionizable ADJ z890rr19n4s 3 28 group group NOUN z890rr19n4s 3 29 . . PUNCT z890rr19n4s 4 1 this this DET z890rr19n4s 4 2 moiety moiety NOUN z890rr19n4s 4 3 was be AUX z890rr19n4s 4 4 believed believe VERB z890rr19n4s 4 5 to to PART z890rr19n4s 4 6 activate activate VERB z890rr19n4s 4 7 the the DET z890rr19n4s 4 8 weinreb weinreb PROPN z890rr19n4s 4 9 amide amide PROPN z890rr19n4s 4 10 carbonyl carbonyl PROPN z890rr19n4s 4 11 towards towards ADP z890rr19n4s 4 12 acylation acylation NOUN z890rr19n4s 4 13 in in ADP z890rr19n4s 4 14 the the DET z890rr19n4s 4 15 same same ADJ z890rr19n4s 4 16 way way NOUN z890rr19n4s 4 17 that that PRON z890rr19n4s 4 18 monobactams monobactam NOUN z890rr19n4s 4 19 such such ADJ z890rr19n4s 4 20 as as ADP z890rr19n4s 4 21 oxamazin oxamazin PROPN z890rr19n4s 4 22 and and CCONJ z890rr19n4s 4 23 aztreonam aztreonam NOUN z890rr19n4s 4 24 are be AUX z890rr19n4s 4 25 activated activate VERB z890rr19n4s 4 26 by by ADP z890rr19n4s 4 27 adjacent adjacent ADJ z890rr19n4s 4 28 heteroatoms heteroatom NOUN z890rr19n4s 4 29 . . PUNCT z890rr19n4s 5 1 if if SCONJ z890rr19n4s 5 2 isoxazolidines isoxazolidine NOUN z890rr19n4s 5 3 are be AUX z890rr19n4s 5 4 in in ADP z890rr19n4s 5 5 fact fact NOUN z890rr19n4s 5 6 mimicking mimicking NOUN z890rr19n4s 5 7 & & CCONJ z890rr19n4s 5 8 # # SYM z890rr19n4s 5 9 946;-lactam 946;-lactam NUM z890rr19n4s 5 10 antibiotics antibiotic NOUN z890rr19n4s 5 11 by by ADP z890rr19n4s 5 12 exploiting exploit VERB z890rr19n4s 5 13 a a DET z890rr19n4s 5 14 heteroatom heteroatom NOUN z890rr19n4s 5 15 - - PUNCT z890rr19n4s 5 16 activation activation NOUN z890rr19n4s 5 17 strategy strategy NOUN z890rr19n4s 5 18 , , PUNCT z890rr19n4s 5 19 then then ADV z890rr19n4s 5 20 appropriate appropriate ADJ z890rr19n4s 5 21 elaboration elaboration NOUN z890rr19n4s 5 22 of of ADP z890rr19n4s 5 23 these these DET z890rr19n4s 5 24 molecules molecule NOUN z890rr19n4s 5 25 may may AUX z890rr19n4s 5 26 provide provide VERB z890rr19n4s 5 27 a a DET z890rr19n4s 5 28 more more ADV z890rr19n4s 5 29 potent potent ADJ z890rr19n4s 5 30 antibiotic antibiotic NOUN z890rr19n4s 5 31 . . PUNCT z890rr19n4s 6 1 the the DET z890rr19n4s 6 2 overall overall ADJ z890rr19n4s 6 3 hypothesis hypothesis NOUN z890rr19n4s 6 4 of of ADP z890rr19n4s 6 5 the the DET z890rr19n4s 6 6 present present ADJ z890rr19n4s 6 7 work work NOUN z890rr19n4s 6 8 is be AUX z890rr19n4s 6 9 that that SCONJ z890rr19n4s 6 10 heteroatom heteroatom NOUN z890rr19n4s 6 11 - - PUNCT z890rr19n4s 6 12 activated activate VERB z890rr19n4s 6 13 acylating acylate VERB z890rr19n4s 6 14 agents agent NOUN z890rr19n4s 6 15 are be AUX z890rr19n4s 6 16 a a DET z890rr19n4s 6 17 potential potential ADJ z890rr19n4s 6 18 new new ADJ z890rr19n4s 6 19 class class NOUN z890rr19n4s 6 20 of of ADP z890rr19n4s 6 21 antibiotic antibiotic ADJ z890rr19n4s 6 22 , , PUNCT z890rr19n4s 6 23 that that PRON z890rr19n4s 6 24 mimic mimic VERB z890rr19n4s 6 25 & & CCONJ z890rr19n4s 6 26 # # SYM z890rr19n4s 6 27 946;-lactam 946;-lactam NUM z890rr19n4s 6 28 antibiotics antibiotic NOUN z890rr19n4s 6 29 . . PUNCT z890rr19n4s 7 1 in in ADP z890rr19n4s 7 2 order order NOUN z890rr19n4s 7 3 to to PART z890rr19n4s 7 4 test test VERB z890rr19n4s 7 5 this this DET z890rr19n4s 7 6 hypothesis hypothesis NOUN z890rr19n4s 7 7 , , PUNCT z890rr19n4s 7 8 three three NUM z890rr19n4s 7 9 specific specific ADJ z890rr19n4s 7 10 aims aim NOUN z890rr19n4s 7 11 were be AUX z890rr19n4s 7 12 executed execute VERB z890rr19n4s 7 13 . . PUNCT z890rr19n4s 8 1 first first ADV z890rr19n4s 8 2 , , PUNCT z890rr19n4s 8 3 side side NOUN z890rr19n4s 8 4 chain chain NOUN z890rr19n4s 8 5 variation variation NOUN z890rr19n4s 8 6 of of ADP z890rr19n4s 8 7 the the DET z890rr19n4s 8 8 lead lead ADJ z890rr19n4s 8 9 compound compound NOUN z890rr19n4s 8 10 was be AUX z890rr19n4s 8 11 explored explore VERB z890rr19n4s 8 12 in in ADP z890rr19n4s 8 13 order order NOUN z890rr19n4s 8 14 to to PART z890rr19n4s 8 15 increase increase VERB z890rr19n4s 8 16 the the DET z890rr19n4s 8 17 potency potency NOUN z890rr19n4s 8 18 and and CCONJ z890rr19n4s 8 19 broadspectrum broadspectrum VERB z890rr19n4s 8 20 antibacterial antibacterial ADJ z890rr19n4s 8 21 activity activity NOUN z890rr19n4s 8 22 . . PUNCT z890rr19n4s 9 1 additional additional ADJ z890rr19n4s 9 2 isoxazolidines isoxazolidine NOUN z890rr19n4s 9 3 were be AUX z890rr19n4s 9 4 synthesized synthesize VERB z890rr19n4s 9 5 which which PRON z890rr19n4s 9 6 incorporated incorporate VERB z890rr19n4s 9 7 side side NOUN z890rr19n4s 9 8 chains chain NOUN z890rr19n4s 9 9 analogous analogous ADJ z890rr19n4s 9 10 to to ADP z890rr19n4s 9 11 side side NOUN z890rr19n4s 9 12 chains chain NOUN z890rr19n4s 9 13 that that PRON z890rr19n4s 9 14 many many ADJ z890rr19n4s 9 15 effective effective ADJ z890rr19n4s 9 16 & & CCONJ z890rr19n4s 9 17 # # SYM z890rr19n4s 9 18 946;-lactam 946;-lactam NUM z890rr19n4s 9 19 antibiotics antibiotic NOUN z890rr19n4s 9 20 utilized utilize VERB z890rr19n4s 9 21 . . PUNCT z890rr19n4s 10 1 these these DET z890rr19n4s 10 2 side side NOUN z890rr19n4s 10 3 chains chain NOUN z890rr19n4s 10 4 included include VERB z890rr19n4s 10 5 phenylglycine phenylglycine NOUN z890rr19n4s 10 6 and and CCONJ z890rr19n4s 10 7 2-(2 2-(2 PROPN z890rr19n4s 10 8 - - PUNCT z890rr19n4s 10 9 aminothiazol-4 aminothiazol-4 PROPN z890rr19n4s 10 10 - - PUNCT z890rr19n4s 10 11 yl)-2methoxyiminoacetic yl)-2methoxyiminoacetic NUM z890rr19n4s 10 12 acid acid NOUN z890rr19n4s 10 13 ( ( PUNCT z890rr19n4s 10 14 atmo atmo PROPN z890rr19n4s 10 15 ) ) PUNCT z890rr19n4s 10 16 . . PUNCT z890rr19n4s 11 1 secondly secondly ADV z890rr19n4s 11 2 , , PUNCT z890rr19n4s 11 3 it it PRON z890rr19n4s 11 4 was be AUX z890rr19n4s 11 5 imperative imperative ADJ z890rr19n4s 11 6 that that SCONJ z890rr19n4s 11 7 the the DET z890rr19n4s 11 8 minimum minimum ADJ z890rr19n4s 11 9 essential essential ADJ z890rr19n4s 11 10 features feature NOUN z890rr19n4s 11 11 of of ADP z890rr19n4s 11 12 a a DET z890rr19n4s 11 13 heteroatomactivated heteroatomactivated NOUN z890rr19n4s 11 14 & & CCONJ z890rr19n4s 11 15 # # SYM z890rr19n4s 11 16 946;-lactam 946;-lactam NUM z890rr19n4s 11 17 mimic mimic NOUN z890rr19n4s 11 18 were be AUX z890rr19n4s 11 19 established establish VERB z890rr19n4s 11 20 . . PUNCT z890rr19n4s 12 1 the the DET z890rr19n4s 12 2 hypothesis hypothesis NOUN z890rr19n4s 12 3 was be AUX z890rr19n4s 12 4 accomplished accomplish VERB z890rr19n4s 12 5 by by ADP z890rr19n4s 12 6 synthesizing synthesize VERB z890rr19n4s 12 7 three three NUM z890rr19n4s 12 8 different different ADJ z890rr19n4s 12 9 core core NOUN z890rr19n4s 12 10 structures structure NOUN z890rr19n4s 12 11 such such ADJ z890rr19n4s 12 12 as as ADP z890rr19n4s 12 13 an an DET z890rr19n4s 12 14 acyclic acyclic NOUN z890rr19n4s 12 15 , , PUNCT z890rr19n4s 12 16 monocyclic monocyclic ADJ z890rr19n4s 12 17 and and CCONJ z890rr19n4s 12 18 bicyclic bicyclic NOUN z890rr19n4s 12 19 core core NOUN z890rr19n4s 12 20 . . PUNCT z890rr19n4s 13 1 all all DET z890rr19n4s 13 2 of of ADP z890rr19n4s 13 3 which which PRON z890rr19n4s 13 4 utilized utilize VERB z890rr19n4s 13 5 heteroatom heteroatom NOUN z890rr19n4s 13 6 - - PUNCT z890rr19n4s 13 7 activation activation NOUN z890rr19n4s 13 8 strategy strategy NOUN z890rr19n4s 13 9 and and CCONJ z890rr19n4s 13 10 contained contain VERB z890rr19n4s 13 11 side side NOUN z890rr19n4s 13 12 chains chain NOUN z890rr19n4s 13 13 analogous analogous ADJ z890rr19n4s 13 14 to to ADP z890rr19n4s 13 15 those those PRON z890rr19n4s 13 16 used use VERB z890rr19n4s 13 17 in in ADP z890rr19n4s 13 18 known know VERB z890rr19n4s 13 19 & & CCONJ z890rr19n4s 13 20 # # SYM z890rr19n4s 13 21 946;-lactam 946;-lactam NUM z890rr19n4s 13 22 antibiotics antibiotic NOUN z890rr19n4s 13 23 . . PUNCT z890rr19n4s 14 1 in in ADP z890rr19n4s 14 2 addition addition NOUN z890rr19n4s 14 3 , , PUNCT z890rr19n4s 14 4 the the DET z890rr19n4s 14 5 current current ADJ z890rr19n4s 14 6 progress progress NOUN z890rr19n4s 14 7 towards towards ADP z890rr19n4s 14 8 a a DET z890rr19n4s 14 9 diketopiperzine diketopiperzine NOUN z890rr19n4s 14 10 derived derive VERB z890rr19n4s 14 11 from from ADP z890rr19n4s 14 12 an an DET z890rr19n4s 14 13 isoxazolidine isoxazolidine NOUN z890rr19n4s 14 14 is be AUX z890rr19n4s 14 15 presented present VERB z890rr19n4s 14 16 which which PRON z890rr19n4s 14 17 could could AUX z890rr19n4s 14 18 also also ADV z890rr19n4s 14 19 exhibit exhibit VERB z890rr19n4s 14 20 antibacterial antibacterial ADJ z890rr19n4s 14 21 activity activity NOUN z890rr19n4s 14 22 . . PUNCT z890rr19n4s 15 1 lastly lastly ADV z890rr19n4s 15 2 , , PUNCT z890rr19n4s 15 3 each each DET z890rr19n4s 15 4 compound compound NOUN z890rr19n4s 15 5 synthesized synthesize VERB z890rr19n4s 15 6 was be AUX z890rr19n4s 15 7 evaluated evaluate VERB z890rr19n4s 15 8 for for ADP z890rr19n4s 15 9 antibacterial antibacterial ADJ z890rr19n4s 15 10 activity activity NOUN z890rr19n4s 15 11 by by ADP z890rr19n4s 15 12 conducting conduct VERB z890rr19n4s 15 13 zone zone NOUN z890rr19n4s 15 14 of of ADP z890rr19n4s 15 15 inhibition inhibition NOUN z890rr19n4s 15 16 assays assay VERB z890rr19n4s 15 17 against against ADP z890rr19n4s 15 18 a a DET z890rr19n4s 15 19 broad broad ADJ z890rr19n4s 15 20 range range NOUN z890rr19n4s 15 21 of of ADP z890rr19n4s 15 22 bacterial bacterial ADJ z890rr19n4s 15 23 isolates isolate NOUN z890rr19n4s 15 24 , , PUNCT z890rr19n4s 15 25 determining determine VERB z890rr19n4s 15 26 mic mic ADJ z890rr19n4s 15 27 values value NOUN z890rr19n4s 15 28 for for ADP z890rr19n4s 15 29 active active ADJ z890rr19n4s 15 30 compounds compound NOUN z890rr19n4s 15 31 , , PUNCT z890rr19n4s 15 32 and and CCONJ z890rr19n4s 15 33 submitting submit VERB z890rr19n4s 15 34 all all DET z890rr19n4s 15 35 the the DET z890rr19n4s 15 36 compounds compound NOUN z890rr19n4s 15 37 for for ADP z890rr19n4s 15 38 & & CCONJ z890rr19n4s 15 39 # # SYM z890rr19n4s 15 40 946;lactamase 946;lactamase NUM z890rr19n4s 15 41 inhibition inhibition NOUN z890rr19n4s 15 42 assays assay VERB z890rr19n4s 15 43 . . PUNCT