id sid tid token lemma pos 37720c51381 1 1 the the DET 37720c51381 1 2 ambruticins ambruticin NOUN 37720c51381 1 3 are be AUX 37720c51381 1 4 a a DET 37720c51381 1 5 family family NOUN 37720c51381 1 6 of of ADP 37720c51381 1 7 polyketide polyketide PROPN 37720c51381 1 8 natural natural ADJ 37720c51381 1 9 products product NOUN 37720c51381 1 10 which which PRON 37720c51381 1 11 display display VERB 37720c51381 1 12 potent potent ADJ 37720c51381 1 13 antifungal antifungal ADJ 37720c51381 1 14 activity activity NOUN 37720c51381 1 15 . . PUNCT 37720c51381 2 1 the the DET 37720c51381 2 2 biosynthesis biosynthesis NOUN 37720c51381 2 3 of of ADP 37720c51381 2 4 the the DET 37720c51381 2 5 ambruticins ambruticin NOUN 37720c51381 2 6 occurs occur VERB 37720c51381 2 7 on on ADP 37720c51381 2 8 a a DET 37720c51381 2 9 type type NOUN 37720c51381 2 10 i i PRON 37720c51381 2 11 polyketide polyketide NOUN 37720c51381 2 12 synthase synthase NOUN 37720c51381 2 13 ( ( PUNCT 37720c51381 2 14 pks pks NOUN 37720c51381 2 15 ) ) PUNCT 37720c51381 2 16 , , PUNCT 37720c51381 2 17 with with ADP 37720c51381 2 18 two two NUM 37720c51381 2 19 of of ADP 37720c51381 2 20 the the DET 37720c51381 2 21 three three NUM 37720c51381 2 22 rings ring NOUN 37720c51381 2 23 being be AUX 37720c51381 2 24 formed form VERB 37720c51381 2 25 on on ADP 37720c51381 2 26 the the DET 37720c51381 2 27 pks pks NOUN 37720c51381 2 28 . . PUNCT 37720c51381 3 1 the the DET 37720c51381 3 2 third third ADJ 37720c51381 3 3 ring ring NOUN 37720c51381 3 4 , , PUNCT 37720c51381 3 5 a a DET 37720c51381 3 6 tetrahydropyran tetrahydropyran NOUN 37720c51381 3 7 , , PUNCT 37720c51381 3 8 is be AUX 37720c51381 3 9 thought think VERB 37720c51381 3 10 to to PART 37720c51381 3 11 be be AUX 37720c51381 3 12 formed form VERB 37720c51381 3 13 through through ADP 37720c51381 3 14 post post ADJ 37720c51381 3 15 - - ADJ 37720c51381 3 16 pks pks ADJ 37720c51381 3 17 modifications modification NOUN 37720c51381 3 18 via via ADP 37720c51381 3 19 an an DET 37720c51381 3 20 epoxidation epoxidation NOUN 37720c51381 3 21 - - PUNCT 37720c51381 3 22 cyclization cyclization NOUN 37720c51381 3 23 cascade cascade NOUN 37720c51381 3 24 . . PUNCT 37720c51381 4 1 while while SCONJ 37720c51381 4 2 this this DET 37720c51381 4 3 type type NOUN 37720c51381 4 4 of of ADP 37720c51381 4 5 cascade cascade NOUN 37720c51381 4 6 is be AUX 37720c51381 4 7 common common ADJ 37720c51381 4 8 in in ADP 37720c51381 4 9 biosyntheses biosynthese NOUN 37720c51381 4 10 , , PUNCT 37720c51381 4 11 usually usually ADV 37720c51381 4 12 two two NUM 37720c51381 4 13 enzymes enzyme NOUN 37720c51381 4 14 are be AUX 37720c51381 4 15 required require VERB 37720c51381 4 16 ; ; PUNCT 37720c51381 4 17 however however ADV 37720c51381 4 18 , , PUNCT 37720c51381 4 19 the the DET 37720c51381 4 20 amb amb PROPN 37720c51381 4 21 gene gene NOUN 37720c51381 4 22 cluster cluster PROPN 37720c51381 4 23 encodes encode VERB 37720c51381 4 24 only only ADV 37720c51381 4 25 an an DET 37720c51381 4 26 epoxidase epoxidase NOUN 37720c51381 4 27 and and CCONJ 37720c51381 4 28 no no DET 37720c51381 4 29 epoxide epoxide NOUN 37720c51381 4 30 hydrolase hydrolase NOUN 37720c51381 4 31 . . PUNCT 37720c51381 5 1 therefore therefore ADV 37720c51381 5 2 , , PUNCT 37720c51381 5 3 the the DET 37720c51381 5 4 mechanism mechanism NOUN 37720c51381 5 5 of of ADP 37720c51381 5 6 tetrahydropyran tetrahydropyran PROPN 37720c51381 5 7 ring ring NOUN 37720c51381 5 8 formation formation NOUN 37720c51381 5 9 and and CCONJ 37720c51381 5 10 control control NOUN 37720c51381 5 11 is be AUX 37720c51381 5 12 currently currently ADV 37720c51381 5 13 unknown.the unknown.the DET 37720c51381 5 14 first first ADJ 37720c51381 5 15 chapter chapter NOUN 37720c51381 5 16 of of ADP 37720c51381 5 17 this this DET 37720c51381 5 18 thesis thesis NOUN 37720c51381 5 19 addresses address VERB 37720c51381 5 20 previous previous ADJ 37720c51381 5 21 work work NOUN 37720c51381 5 22 focused focus VERB 37720c51381 5 23 on on ADP 37720c51381 5 24 the the DET 37720c51381 5 25 ambruticins ambruticin NOUN 37720c51381 5 26 . . PUNCT 37720c51381 6 1 several several ADJ 37720c51381 6 2 members member NOUN 37720c51381 6 3 of of ADP 37720c51381 6 4 this this DET 37720c51381 6 5 class class NOUN 37720c51381 6 6 have have AUX 37720c51381 6 7 been be AUX 37720c51381 6 8 isolated isolate VERB 37720c51381 6 9 and and CCONJ 37720c51381 6 10 identified identify VERB 37720c51381 6 11 , , PUNCT 37720c51381 6 12 and and CCONJ 37720c51381 6 13 all all PRON 37720c51381 6 14 have have AUX 37720c51381 6 15 displayed display VERB 37720c51381 6 16 promising promise VERB 37720c51381 6 17 antifungal antifungal ADJ 37720c51381 6 18 activity activity NOUN 37720c51381 6 19 . . PUNCT 37720c51381 7 1 the the DET 37720c51381 7 2 bioactivity bioactivity NOUN 37720c51381 7 3 spectrum spectrum NOUN 37720c51381 7 4 of of ADP 37720c51381 7 5 ambruticin ambruticin PROPN 37720c51381 7 6 s s AUX 37720c51381 7 7 led lead VERB 37720c51381 7 8 to to PART 37720c51381 7 9 extensive extensive ADJ 37720c51381 7 10 in in ADP 37720c51381 7 11 vitro vitro X 37720c51381 7 12 and and CCONJ 37720c51381 7 13 in in ADP 37720c51381 7 14 vivo vivo ADJ 37720c51381 7 15 testing testing NOUN 37720c51381 7 16 against against ADP 37720c51381 7 17 a a DET 37720c51381 7 18 range range NOUN 37720c51381 7 19 of of ADP 37720c51381 7 20 clinically clinically ADV 37720c51381 7 21 relevant relevant ADJ 37720c51381 7 22 fungal fungal ADJ 37720c51381 7 23 pathogens pathogen NOUN 37720c51381 7 24 as as ADV 37720c51381 7 25 well well ADV 37720c51381 7 26 as as ADP 37720c51381 7 27 a a DET 37720c51381 7 28 number number NOUN 37720c51381 7 29 of of ADP 37720c51381 7 30 structure structure NOUN 37720c51381 7 31 - - PUNCT 37720c51381 7 32 activity activity NOUN 37720c51381 7 33 relationship relationship NOUN 37720c51381 7 34 studies study NOUN 37720c51381 7 35 , , PUNCT 37720c51381 7 36 conducted conduct VERB 37720c51381 7 37 with with ADP 37720c51381 7 38 the the DET 37720c51381 7 39 goal goal NOUN 37720c51381 7 40 of of ADP 37720c51381 7 41 creating create VERB 37720c51381 7 42 an an DET 37720c51381 7 43 ambruticin ambruticin PROPN 37720c51381 7 44 derivative derivative NOUN 37720c51381 7 45 with with ADP 37720c51381 7 46 improved improved ADJ 37720c51381 7 47 bioactivity bioactivity NOUN 37720c51381 7 48 . . PUNCT 37720c51381 8 1 in in ADP 37720c51381 8 2 addition addition NOUN 37720c51381 8 3 , , PUNCT 37720c51381 8 4 several several ADJ 37720c51381 8 5 total total ADJ 37720c51381 8 6 syntheses synthesis NOUN 37720c51381 8 7 of of ADP 37720c51381 8 8 ambruticin ambruticin PROPN 37720c51381 8 9 s s PART 37720c51381 8 10 have have AUX 37720c51381 8 11 been be AUX 37720c51381 8 12 completed complete VERB 37720c51381 8 13 . . PUNCT 37720c51381 9 1 finally finally ADV 37720c51381 9 2 , , PUNCT 37720c51381 9 3 chapter chapter NOUN 37720c51381 9 4 1 1 NUM 37720c51381 9 5 addresses address VERB 37720c51381 9 6 the the DET 37720c51381 9 7 biosynthesis biosynthesis NOUN 37720c51381 9 8 of of ADP 37720c51381 9 9 the the DET 37720c51381 9 10 ambruticins ambruticin NOUN 37720c51381 9 11 , , PUNCT 37720c51381 9 12 which which PRON 37720c51381 9 13 has have AUX 37720c51381 9 14 been be AUX 37720c51381 9 15 partially partially ADV 37720c51381 9 16 explored explore VERB 37720c51381 9 17 by by ADP 37720c51381 9 18 several several ADJ 37720c51381 9 19 groups group NOUN 37720c51381 9 20 . . PUNCT 37720c51381 10 1 however however ADV 37720c51381 10 2 , , PUNCT 37720c51381 10 3 little little ADJ 37720c51381 10 4 exploration exploration NOUN 37720c51381 10 5 of of ADP 37720c51381 10 6 the the DET 37720c51381 10 7 methodology methodology NOUN 37720c51381 10 8 of of ADP 37720c51381 10 9 tetrahydropyran tetrahydropyran PROPN 37720c51381 10 10 ring ring NOUN 37720c51381 10 11 formation formation NOUN 37720c51381 10 12 has have AUX 37720c51381 10 13 been be AUX 37720c51381 10 14 carried carry VERB 37720c51381 10 15 out.the out.the DET 37720c51381 10 16 second second ADJ 37720c51381 10 17 chapter chapter NOUN 37720c51381 10 18 of of ADP 37720c51381 10 19 this this DET 37720c51381 10 20 work work NOUN 37720c51381 10 21 discusses discuss VERB 37720c51381 10 22 the the DET 37720c51381 10 23 total total ADJ 37720c51381 10 24 synthesis synthesis NOUN 37720c51381 10 25 of of ADP 37720c51381 10 26 the the DET 37720c51381 10 27 putative putative ADJ 37720c51381 10 28 biosynthetic biosynthetic ADJ 37720c51381 10 29 intermediate intermediate ADJ 37720c51381 10 30 ambruticin ambruticin PROPN 37720c51381 10 31 j j PROPN 37720c51381 10 32 , , PUNCT 37720c51381 10 33 in in ADP 37720c51381 10 34 which which PRON 37720c51381 10 35 the the DET 37720c51381 10 36 tetrahydropyran tetrahydropyran NOUN 37720c51381 10 37 ring ring NOUN 37720c51381 10 38 has have AUX 37720c51381 10 39 not not PART 37720c51381 10 40 yet yet ADV 37720c51381 10 41 been be AUX 37720c51381 10 42 formed form VERB 37720c51381 10 43 . . PUNCT 37720c51381 11 1 this this DET 37720c51381 11 2 intermediate intermediate ADJ 37720c51381 11 3 is be AUX 37720c51381 11 4 thought think VERB 37720c51381 11 5 to to PART 37720c51381 11 6 be be AUX 37720c51381 11 7 the the DET 37720c51381 11 8 product product NOUN 37720c51381 11 9 of of ADP 37720c51381 11 10 the the DET 37720c51381 11 11 ambruticin ambruticin PROPN 37720c51381 11 12 pks pks NOUN 37720c51381 11 13 and and CCONJ 37720c51381 11 14 is be AUX 37720c51381 11 15 likely likely ADJ 37720c51381 11 16 the the DET 37720c51381 11 17 substrate substrate NOUN 37720c51381 11 18 for for ADP 37720c51381 11 19 an an DET 37720c51381 11 20 epoxidation epoxidation NOUN 37720c51381 11 21 - - PUNCT 37720c51381 11 22 cyclization cyclization NOUN 37720c51381 11 23 cascade cascade NOUN 37720c51381 11 24 which which PRON 37720c51381 11 25 forms form VERB 37720c51381 11 26 the the DET 37720c51381 11 27 thp thp PROPN 37720c51381 11 28 ring ring NOUN 37720c51381 11 29 of of ADP 37720c51381 11 30 the the DET 37720c51381 11 31 isolated isolated ADJ 37720c51381 11 32 ambruticins ambruticin NOUN 37720c51381 11 33 . . PUNCT 37720c51381 12 1 we we PRON 37720c51381 12 2 have have AUX 37720c51381 12 3 completed complete VERB 37720c51381 12 4 a a DET 37720c51381 12 5 total total ADJ 37720c51381 12 6 synthesis synthesis NOUN 37720c51381 12 7 of of ADP 37720c51381 12 8 this this DET 37720c51381 12 9 molecule molecule NOUN 37720c51381 12 10 , , PUNCT 37720c51381 12 11 providing provide VERB 37720c51381 12 12 access access NOUN 37720c51381 12 13 to to ADP 37720c51381 12 14 ambruticin ambruticin PROPN 37720c51381 12 15 j j PROPN 37720c51381 12 16 for for ADP 37720c51381 12 17 epoxidation epoxidation NOUN 37720c51381 12 18 - - PUNCT 37720c51381 12 19 cyclization cyclization NOUN 37720c51381 12 20 studies study NOUN 37720c51381 12 21 and and CCONJ 37720c51381 12 22 synthetically synthetically ADV 37720c51381 12 23 confirming confirm VERB 37720c51381 12 24 the the DET 37720c51381 12 25 proposed propose VERB 37720c51381 12 26 structure structure NOUN 37720c51381 12 27 . . PUNCT 37720c51381 13 1 the the DET 37720c51381 13 2 third third ADJ 37720c51381 13 3 chapter chapter NOUN 37720c51381 13 4 of of ADP 37720c51381 13 5 this this DET 37720c51381 13 6 work work NOUN 37720c51381 13 7 provides provide VERB 37720c51381 13 8 an an DET 37720c51381 13 9 overview overview NOUN 37720c51381 13 10 of of ADP 37720c51381 13 11 known know VERB 37720c51381 13 12 biosynthetic biosynthetic ADJ 37720c51381 13 13 epoxidation epoxidation NOUN 37720c51381 13 14 - - PUNCT 37720c51381 13 15 cyclization cyclization NOUN 37720c51381 13 16 cascades cascade NOUN 37720c51381 13 17 and and CCONJ 37720c51381 13 18 addresses address VERB 37720c51381 13 19 the the DET 37720c51381 13 20 factors factor NOUN 37720c51381 13 21 which which PRON 37720c51381 13 22 control control VERB 37720c51381 13 23 regioselectivity regioselectivity NOUN 37720c51381 13 24 of of ADP 37720c51381 13 25 epoxide epoxide NOUN 37720c51381 13 26 - - PUNCT 37720c51381 13 27 opening opening NOUN 37720c51381 13 28 in in ADP 37720c51381 13 29 ring ring NOUN 37720c51381 13 30 formation formation NOUN 37720c51381 13 31 reactions reaction NOUN 37720c51381 13 32 . . PUNCT 37720c51381 14 1 finally finally ADV 37720c51381 14 2 , , PUNCT 37720c51381 14 3 chapter chapter NOUN 37720c51381 14 4 four four NUM 37720c51381 14 5 discusses discuss VERB 37720c51381 14 6 the the DET 37720c51381 14 7 development development NOUN 37720c51381 14 8 of of ADP 37720c51381 14 9 epoxidation epoxidation NOUN 37720c51381 14 10 - - PUNCT 37720c51381 14 11 cyclization cyclization NOUN 37720c51381 14 12 conditions condition NOUN 37720c51381 14 13 for for ADP 37720c51381 14 14 ambruticin ambruticin PROPN 37720c51381 14 15 j j PROPN 37720c51381 14 16 and and CCONJ 37720c51381 14 17 their their PRON 37720c51381 14 18 application application NOUN 37720c51381 14 19 to to ADP 37720c51381 14 20 ambruticin ambruticin PROPN 37720c51381 14 21 j j PROPN 37720c51381 14 22 model model PROPN 37720c51381 14 23 systems system NOUN 37720c51381 14 24 . . PUNCT 37720c51381 15 1 this this DET 37720c51381 15 2 chapter chapter NOUN 37720c51381 15 3 also also ADV 37720c51381 15 4 discusses discuss VERB 37720c51381 15 5 the the DET 37720c51381 15 6 implications implication NOUN 37720c51381 15 7 for for ADP 37720c51381 15 8 ambruticin ambruticin PROPN 37720c51381 15 9 biosynthesis biosynthesis NOUN 37720c51381 15 10 arising arise VERB 37720c51381 15 11 from from ADP 37720c51381 15 12 these these DET 37720c51381 15 13 results result NOUN 37720c51381 15 14 . . PUNCT