id sid tid token lemma pos 7h149p30z94 1 1 numerous numerous ADJ 7h149p30z94 1 2 polyketide polyketide NOUN 7h149p30z94 1 3 natural natural ADJ 7h149p30z94 1 4 products product NOUN 7h149p30z94 1 5 contain contain VERB 7h149p30z94 1 6 methyl methyl NOUN 7h149p30z94 1 7 ether ether NOUN 7h149p30z94 1 8 functionality functionality NOUN 7h149p30z94 1 9 generated generate VERB 7h149p30z94 1 10 by by ADP 7h149p30z94 1 11 either either DET 7h149p30z94 1 12 methoxymalonyl methoxymalonyl ADJ 7h149p30z94 1 13 extender extender NOUN 7h149p30z94 1 14 units unit NOUN 7h149p30z94 1 15 or or CCONJ 7h149p30z94 1 16 a a DET 7h149p30z94 1 17 selective selective ADJ 7h149p30z94 1 18 o o ADJ 7h149p30z94 1 19 - - NOUN 7h149p30z94 1 20 methyl methyl NOUN 7h149p30z94 1 21 transferase transferase NOUN 7h149p30z94 1 22 associated associate VERB 7h149p30z94 1 23 with with ADP 7h149p30z94 1 24 the the DET 7h149p30z94 1 25 polyketide polyketide NOUN 7h149p30z94 1 26 synthase synthase NOUN 7h149p30z94 1 27 ( ( PUNCT 7h149p30z94 1 28 pks pks NOUN 7h149p30z94 1 29 ) ) PUNCT 7h149p30z94 1 30 gene gene NOUN 7h149p30z94 1 31 cluster cluster NOUN 7h149p30z94 1 32 . . PUNCT 7h149p30z94 2 1 in in ADP 7h149p30z94 2 2 laboratory laboratory NOUN 7h149p30z94 2 3 syntheses synthesis NOUN 7h149p30z94 2 4 of of ADP 7h149p30z94 2 5 such such ADJ 7h149p30z94 2 6 natural natural ADJ 7h149p30z94 2 7 products product NOUN 7h149p30z94 2 8 , , PUNCT 7h149p30z94 2 9 discrete discrete ADJ 7h149p30z94 2 10 steps step NOUN 7h149p30z94 2 11 for for ADP 7h149p30z94 2 12 generating generate VERB 7h149p30z94 2 13 a a DET 7h149p30z94 2 14 hydroxyl hydroxyl PROPN 7h149p30z94 2 15 stereogenic stereogenic NOUN 7h149p30z94 2 16 center center NOUN 7h149p30z94 2 17 and and CCONJ 7h149p30z94 2 18 subsequent subsequent ADJ 7h149p30z94 2 19 methylation methylation NOUN 7h149p30z94 2 20 are be AUX 7h149p30z94 2 21 typically typically ADV 7h149p30z94 2 22 bracketed bracket VERB 7h149p30z94 2 23 by by ADP 7h149p30z94 2 24 additional additional ADJ 7h149p30z94 2 25 protecting protect VERB 7h149p30z94 2 26 group group NOUN 7h149p30z94 2 27 manipulation manipulation NOUN 7h149p30z94 2 28 steps step NOUN 7h149p30z94 2 29 . . PUNCT 7h149p30z94 3 1 a a DET 7h149p30z94 3 2 fundamentally fundamentally ADV 7h149p30z94 3 3 new new ADJ 7h149p30z94 3 4 tactic tactic NOUN 7h149p30z94 3 5 has have AUX 7h149p30z94 3 6 been be AUX 7h149p30z94 3 7 designed design VERB 7h149p30z94 3 8 and and CCONJ 7h149p30z94 3 9 developed develop VERB 7h149p30z94 3 10 . . PUNCT 7h149p30z94 4 1 this this DET 7h149p30z94 4 2 methodology methodology NOUN 7h149p30z94 4 3 is be AUX 7h149p30z94 4 4 capable capable ADJ 7h149p30z94 4 5 of of ADP 7h149p30z94 4 6 significantly significantly ADV 7h149p30z94 4 7 simplifying simplify VERB 7h149p30z94 4 8 the the DET 7h149p30z94 4 9 creation creation NOUN 7h149p30z94 4 10 of of ADP 7h149p30z94 4 11 functionality functionality NOUN 7h149p30z94 4 12 common common ADJ 7h149p30z94 4 13 to to ADP 7h149p30z94 4 14 polyketide polyketide NOUN 7h149p30z94 4 15 natural natural ADJ 7h149p30z94 4 16 products product NOUN 7h149p30z94 4 17 by by ADP 7h149p30z94 4 18 controlling control VERB 7h149p30z94 4 19 the the DET 7h149p30z94 4 20 generation generation NOUN 7h149p30z94 4 21 of of ADP 7h149p30z94 4 22 a a DET 7h149p30z94 4 23 stereogenic stereogenic NOUN 7h149p30z94 4 24 center center NOUN 7h149p30z94 4 25 simultaneous simultaneous ADJ 7h149p30z94 4 26 with with ADP 7h149p30z94 4 27 ether ether NOUN 7h149p30z94 4 28 incorporation incorporation NOUN 7h149p30z94 4 29 . . PUNCT 7h149p30z94 5 1 in in ADP 7h149p30z94 5 2 this this DET 7h149p30z94 5 3 thesis thesis NOUN 7h149p30z94 5 4 it it PRON 7h149p30z94 5 5 is be AUX 7h149p30z94 5 6 demonstrated demonstrate VERB 7h149p30z94 5 7 that that SCONJ 7h149p30z94 5 8 alkoxymethyl alkoxymethyl NOUN 7h149p30z94 5 9 - - PUNCT 7h149p30z94 5 10 protected protect VERB 7h149p30z94 5 11 homoallylic homoallylic ADJ 7h149p30z94 5 12 alcohols alcohol NOUN 7h149p30z94 5 13 , , PUNCT 7h149p30z94 5 14 under under ADP 7h149p30z94 5 15 the the DET 7h149p30z94 5 16 treatment treatment NOUN 7h149p30z94 5 17 of of ADP 7h149p30z94 5 18 iodine iodine NOUN 7h149p30z94 5 19 monochloride monochloride PROPN 7h149p30z94 5 20 ( ( PUNCT 7h149p30z94 5 21 icl icl PROPN 7h149p30z94 5 22 ) ) PUNCT 7h149p30z94 5 23 , , PUNCT 7h149p30z94 5 24 undergo undergo VERB 7h149p30z94 5 25 efficient efficient ADJ 7h149p30z94 5 26 alkyl alkyl ADJ 7h149p30z94 5 27 ether ether NOUN 7h149p30z94 5 28 ( ( PUNCT 7h149p30z94 5 29 for for ADP 7h149p30z94 5 30 example example NOUN 7h149p30z94 5 31 , , PUNCT 7h149p30z94 5 32 methyl methyl NOUN 7h149p30z94 5 33 and and CCONJ 7h149p30z94 5 34 benzyl benzyl NOUN 7h149p30z94 5 35 ) ) PUNCT 7h149p30z94 5 36 transfer transfer NOUN 7h149p30z94 5 37 to to PART 7h149p30z94 5 38 afford afford VERB 7h149p30z94 5 39 syn-1,3 syn-1,3 PROPN 7h149p30z94 5 40 - - PUNCT 7h149p30z94 5 41 diol diol NOUN 7h149p30z94 5 42 monoalkyl monoalkyl VERB 7h149p30z94 5 43 ethers ether NOUN 7h149p30z94 5 44 in in ADP 7h149p30z94 5 45 good good ADJ 7h149p30z94 5 46 yields yield NOUN 7h149p30z94 5 47 and and CCONJ 7h149p30z94 5 48 with with ADP 7h149p30z94 5 49 excellent excellent ADJ 7h149p30z94 5 50 diastereocontrol diastereocontrol NOUN 7h149p30z94 5 51 . . PUNCT 7h149p30z94 6 1 the the DET 7h149p30z94 6 2 proposed propose VERB 7h149p30z94 6 3 reactive reactive ADJ 7h149p30z94 6 4 intermediate intermediate NOUN 7h149p30z94 6 5 , , PUNCT 7h149p30z94 6 6 bearing bear VERB 7h149p30z94 6 7 a a DET 7h149p30z94 6 8 chloromethyl chloromethyl NOUN 7h149p30z94 6 9 functionality functionality NOUN 7h149p30z94 6 10 , , PUNCT 7h149p30z94 6 11 was be AUX 7h149p30z94 6 12 proven prove VERB 7h149p30z94 6 13 by by ADP 7h149p30z94 6 14 nmr nmr PROPN 7h149p30z94 6 15 analysis analysis NOUN 7h149p30z94 6 16 . . PUNCT 7h149p30z94 7 1 it it PRON 7h149p30z94 7 2 was be AUX 7h149p30z94 7 3 also also ADV 7h149p30z94 7 4 observed observe VERB 7h149p30z94 7 5 that that SCONJ 7h149p30z94 7 6 this this DET 7h149p30z94 7 7 intermediate intermediate NOUN 7h149p30z94 7 8 has have VERB 7h149p30z94 7 9 decent decent ADJ 7h149p30z94 7 10 stability stability NOUN 7h149p30z94 7 11 so so SCONJ 7h149p30z94 7 12 that that SCONJ 7h149p30z94 7 13 it it PRON 7h149p30z94 7 14 's be AUX 7h149p30z94 7 15 reactivity reactivity NOUN 7h149p30z94 7 16 can can AUX 7h149p30z94 7 17 be be AUX 7h149p30z94 7 18 fully fully ADV 7h149p30z94 7 19 explored explore VERB 7h149p30z94 7 20 , , PUNCT 7h149p30z94 7 21 allowing allow VERB 7h149p30z94 7 22 formation formation NOUN 7h149p30z94 7 23 of of ADP 7h149p30z94 7 24 a a DET 7h149p30z94 7 25 variety variety NOUN 7h149p30z94 7 26 of of ADP 7h149p30z94 7 27 synthetically synthetically ADV 7h149p30z94 7 28 useful useful ADJ 7h149p30z94 7 29 fragments fragment NOUN 7h149p30z94 7 30 that that PRON 7h149p30z94 7 31 can can AUX 7h149p30z94 7 32 potentially potentially ADV 7h149p30z94 7 33 be be AUX 7h149p30z94 7 34 used use VERB 7h149p30z94 7 35 in in ADP 7h149p30z94 7 36 syntheses synthesis NOUN 7h149p30z94 7 37 of of ADP 7h149p30z94 7 38 complex complex ADJ 7h149p30z94 7 39 molecules molecule NOUN 7h149p30z94 7 40 . . PUNCT 7h149p30z94 8 1 the the DET 7h149p30z94 8 2 mechanism mechanism NOUN 7h149p30z94 8 3 of of ADP 7h149p30z94 8 4 the the DET 7h149p30z94 8 5 ether ether NOUN 7h149p30z94 8 6 transfer transfer NOUN 7h149p30z94 8 7 reaction reaction NOUN 7h149p30z94 8 8 initiated initiate VERB 7h149p30z94 8 9 by by ADP 7h149p30z94 8 10 n n NOUN 7h149p30z94 8 11 - - PUNCT 7h149p30z94 8 12 iodosuccinimide iodosuccinimide ADJ 7h149p30z94 8 13 ( ( PUNCT 7h149p30z94 8 14 nis nis X 7h149p30z94 8 15 ) ) PUNCT 7h149p30z94 8 16 has have AUX 7h149p30z94 8 17 also also ADV 7h149p30z94 8 18 been be AUX 7h149p30z94 8 19 studied study VERB 7h149p30z94 8 20 . . PUNCT 7h149p30z94 9 1 by by ADP 7h149p30z94 9 2 incorporating incorporate VERB 7h149p30z94 9 3 isotopic isotopic ADJ 7h149p30z94 9 4 labels label NOUN 7h149p30z94 9 5 in in ADP 7h149p30z94 9 6 the the DET 7h149p30z94 9 7 products product NOUN 7h149p30z94 9 8 followed follow VERB 7h149p30z94 9 9 by by ADP 7h149p30z94 9 10 product product NOUN 7h149p30z94 9 11 analyses analysis NOUN 7h149p30z94 9 12 with with ADP 7h149p30z94 9 13 nmr nmr NOUN 7h149p30z94 9 14 spectroscopy spectroscopy NOUN 7h149p30z94 9 15 and and CCONJ 7h149p30z94 9 16 comparison comparison NOUN 7h149p30z94 9 17 with with ADP 7h149p30z94 9 18 the the DET 7h149p30z94 9 19 results result NOUN 7h149p30z94 9 20 from from ADP 7h149p30z94 9 21 non non ADJ 7h149p30z94 9 22 - - ADJ 7h149p30z94 9 23 labeled label VERB 7h149p30z94 9 24 experiments experiment NOUN 7h149p30z94 9 25 , , PUNCT 7h149p30z94 9 26 relative relative ADJ 7h149p30z94 9 27 rates rate NOUN 7h149p30z94 9 28 of of ADP 7h149p30z94 9 29 different different ADJ 7h149p30z94 9 30 pathways pathway NOUN 7h149p30z94 9 31 as as ADV 7h149p30z94 9 32 well well ADV 7h149p30z94 9 33 as as ADP 7h149p30z94 9 34 the the DET 7h149p30z94 9 35 stereoselectivity stereoselectivity ADJ 7h149p30z94 9 36 preference preference NOUN 7h149p30z94 9 37 within within ADP 7h149p30z94 9 38 each each PRON 7h149p30z94 9 39 has have AUX 7h149p30z94 9 40 been be AUX 7h149p30z94 9 41 investigated investigate VERB 7h149p30z94 9 42 and and CCONJ 7h149p30z94 9 43 identified identify VERB 7h149p30z94 9 44 . . PUNCT 7h149p30z94 10 1 this this DET 7h149p30z94 10 2 stereoselective stereoselective ADJ 7h149p30z94 10 3 ether ether NOUN 7h149p30z94 10 4 transfer transfer NOUN 7h149p30z94 10 5 methodology methodology NOUN 7h149p30z94 10 6 has have AUX 7h149p30z94 10 7 also also ADV 7h149p30z94 10 8 been be AUX 7h149p30z94 10 9 successfully successfully ADV 7h149p30z94 10 10 applied apply VERB 7h149p30z94 10 11 to to ADP 7h149p30z94 10 12 the the DET 7h149p30z94 10 13 total total ADJ 7h149p30z94 10 14 synthesis synthesis NOUN 7h149p30z94 10 15 of of ADP 7h149p30z94 10 16 the the DET 7h149p30z94 10 17 family family NOUN 7h149p30z94 10 18 of of ADP 7h149p30z94 10 19 all all DET 7h149p30z94 10 20 - - PUNCT 7h149p30z94 10 21 syn syn NOUN 7h149p30z94 10 22 isotactic isotactic ADJ 7h149p30z94 10 23 polymethoxy polymethoxy ADJ 7h149p30z94 10 24 natural natural ADJ 7h149p30z94 10 25 products product NOUN 7h149p30z94 10 26 . . PUNCT 7h149p30z94 11 1 two two NUM 7h149p30z94 11 2 syntheses synthesis NOUN 7h149p30z94 11 3 examples example NOUN 7h149p30z94 11 4 of of ADP 7h149p30z94 11 5 this this DET 7h149p30z94 11 6 product product NOUN 7h149p30z94 11 7 family family NOUN 7h149p30z94 11 8 are be AUX 7h149p30z94 11 9 shown show VERB 7h149p30z94 11 10 in in ADP 7h149p30z94 11 11 this this DET 7h149p30z94 11 12 thesis thesis NOUN 7h149p30z94 11 13 . . PUNCT 7h149p30z94 12 1 in in ADP 7h149p30z94 12 2 addition addition NOUN 7h149p30z94 12 3 , , PUNCT 7h149p30z94 12 4 a a DET 7h149p30z94 12 5 generalized generalized ADJ 7h149p30z94 12 6 , , PUNCT 7h149p30z94 12 7 convergent convergent ADJ 7h149p30z94 12 8 synthetic synthetic ADJ 7h149p30z94 12 9 strategy strategy NOUN 7h149p30z94 12 10 aiming aim VERB 7h149p30z94 12 11 toward toward ADP 7h149p30z94 12 12 synthesis synthesis NOUN 7h149p30z94 12 13 of of ADP 7h149p30z94 12 14 any any DET 7h149p30z94 12 15 member member NOUN 7h149p30z94 12 16 of of ADP 7h149p30z94 12 17 these these DET 7h149p30z94 12 18 polymer polymer NOUN 7h149p30z94 12 19 - - PUNCT 7h149p30z94 12 20 like like ADJ 7h149p30z94 12 21 compounds compound NOUN 7h149p30z94 12 22 is be AUX 7h149p30z94 12 23 also also ADV 7h149p30z94 12 24 proposed propose VERB 7h149p30z94 12 25 . . PUNCT