id sid tid token lemma pos bg257d29b2n 1 1 new new ADJ bg257d29b2n 1 2 methods method NOUN bg257d29b2n 1 3 for for ADP bg257d29b2n 1 4 the the DET bg257d29b2n 1 5 phosphorus phosphorus NOUN bg257d29b2n 1 6 - - PUNCT bg257d29b2n 1 7 mediated mediate VERB bg257d29b2n 1 8 activation activation NOUN bg257d29b2n 1 9 of of ADP bg257d29b2n 1 10 c–o c–o NOUN bg257d29b2n 1 11 , , PUNCT bg257d29b2n 1 12 n–o n–o NOUN bg257d29b2n 1 13 , , PUNCT bg257d29b2n 1 14 c c NOUN bg257d29b2n 1 15 = = NOUN bg257d29b2n 1 16 o o NOUN bg257d29b2n 1 17 , , PUNCT bg257d29b2n 1 18 and and CCONJ bg257d29b2n 1 19 c–x c–x ADJ bg257d29b2n 1 20 bonds bond NOUN bg257d29b2n 1 21 are be AUX bg257d29b2n 1 22 reported report VERB bg257d29b2n 1 23 herein herein ADV bg257d29b2n 1 24 . . PUNCT bg257d29b2n 2 1 the the DET bg257d29b2n 2 2 first first ADJ bg257d29b2n 2 3 of of ADP bg257d29b2n 2 4 which which PRON bg257d29b2n 2 5 is be AUX bg257d29b2n 2 6 a a DET bg257d29b2n 2 7 staudinger staudinger NOUN bg257d29b2n 2 8 ligation ligation NOUN bg257d29b2n 2 9 method method NOUN bg257d29b2n 2 10 , , PUNCT bg257d29b2n 2 11 which which PRON bg257d29b2n 2 12 allows allow VERB bg257d29b2n 2 13 for for ADP bg257d29b2n 2 14 ready ready ADJ bg257d29b2n 2 15 access access NOUN bg257d29b2n 2 16 to to ADP bg257d29b2n 2 17 a a DET bg257d29b2n 2 18 diverse diverse ADJ bg257d29b2n 2 19 assortment assortment NOUN bg257d29b2n 2 20 of of ADP bg257d29b2n 2 21 amides amide NOUN bg257d29b2n 2 22 through through ADP bg257d29b2n 2 23 the the DET bg257d29b2n 2 24 direct direct ADJ bg257d29b2n 2 25 functionalization functionalization NOUN bg257d29b2n 2 26 of of ADP bg257d29b2n 2 27 carboxylic carboxylic ADJ bg257d29b2n 2 28 acids acid NOUN bg257d29b2n 2 29 and and CCONJ bg257d29b2n 2 30 azides azide NOUN bg257d29b2n 2 31 using use VERB bg257d29b2n 2 32 a a DET bg257d29b2n 2 33 chlorophosphite chlorophosphite NOUN bg257d29b2n 2 34 as as ADP bg257d29b2n 2 35 a a DET bg257d29b2n 2 36 dual dual ADJ bg257d29b2n 2 37 activating activating NOUN bg257d29b2n 2 38 agent agent NOUN bg257d29b2n 2 39 . . PUNCT bg257d29b2n 3 1 this this DET bg257d29b2n 3 2 procedure procedure NOUN bg257d29b2n 3 3 complements complement VERB bg257d29b2n 3 4 current current ADJ bg257d29b2n 3 5 amide amide NOUN bg257d29b2n 3 6 - - PUNCT bg257d29b2n 3 7 bond bond NOUN bg257d29b2n 3 8 forming form VERB bg257d29b2n 3 9 technology technology NOUN bg257d29b2n 3 10 by by ADP bg257d29b2n 3 11 virtue virtue NOUN bg257d29b2n 3 12 of of ADP bg257d29b2n 3 13 the the DET bg257d29b2n 3 14 highly highly ADV bg257d29b2n 3 15 chemoselective chemoselective ADJ bg257d29b2n 3 16 intramolecular intramolecular ADJ bg257d29b2n 3 17 acyl acyl PROPN bg257d29b2n 3 18 migration migration NOUN bg257d29b2n 3 19 event event NOUN bg257d29b2n 3 20 , , PUNCT bg257d29b2n 3 21 and and CCONJ bg257d29b2n 3 22 simplified simplify VERB bg257d29b2n 3 23 product product NOUN bg257d29b2n 3 24 isolation isolation NOUN bg257d29b2n 3 25 due due ADP bg257d29b2n 3 26 to to ADP bg257d29b2n 3 27 the the DET bg257d29b2n 3 28 aqueous aqueous ADJ bg257d29b2n 3 29 solubility solubility NOUN bg257d29b2n 3 30 of of ADP bg257d29b2n 3 31 byproducts byproduct NOUN bg257d29b2n 3 32 generated generate VERB bg257d29b2n 3 33 . . PUNCT bg257d29b2n 4 1 however however ADV bg257d29b2n 4 2 , , PUNCT bg257d29b2n 4 3 we we PRON bg257d29b2n 4 4 desired desire VERB bg257d29b2n 4 5 to to PART bg257d29b2n 4 6 further far ADV bg257d29b2n 4 7 minimize minimize VERB bg257d29b2n 4 8 the the DET bg257d29b2n 4 9 phosphorus phosphorus NOUN bg257d29b2n 4 10 waste waste NOUN bg257d29b2n 4 11 generated generate VERB bg257d29b2n 4 12 from from ADP bg257d29b2n 4 13 the the DET bg257d29b2n 4 14 phosphorus phosphorus NOUN bg257d29b2n 4 15 ligation ligation NOUN bg257d29b2n 4 16 reagent reagent NOUN bg257d29b2n 4 17 . . PUNCT bg257d29b2n 5 1 therefore therefore ADV bg257d29b2n 5 2 , , PUNCT bg257d29b2n 5 3 we we PRON bg257d29b2n 5 4 employed employ VERB bg257d29b2n 5 5 the the DET bg257d29b2n 5 6 use use NOUN bg257d29b2n 5 7 of of ADP bg257d29b2n 5 8 triphenylphosphine triphenylphosphine NOUN bg257d29b2n 5 9 , , PUNCT bg257d29b2n 5 10 a a DET bg257d29b2n 5 11 variety variety NOUN bg257d29b2n 5 12 of of ADP bg257d29b2n 5 13 azides azide NOUN bg257d29b2n 5 14 , , PUNCT bg257d29b2n 5 15 and and CCONJ bg257d29b2n 5 16 a a DET bg257d29b2n 5 17 mild mild ADJ bg257d29b2n 5 18 , , PUNCT bg257d29b2n 5 19 silane silane NOUN bg257d29b2n 5 20 reducing reduce VERB bg257d29b2n 5 21 agent agent NOUN bg257d29b2n 5 22 to to PART bg257d29b2n 5 23 afford afford VERB bg257d29b2n 5 24 the the DET bg257d29b2n 5 25 corresponding correspond VERB bg257d29b2n 5 26 amides amide NOUN bg257d29b2n 5 27 . . PUNCT bg257d29b2n 6 1 this this DET bg257d29b2n 6 2 amidation amidation NOUN bg257d29b2n 6 3 method method NOUN bg257d29b2n 6 4 retains retain VERB bg257d29b2n 6 5 the the DET bg257d29b2n 6 6 chemoselectivity chemoselectivity NOUN bg257d29b2n 6 7 characteristics characteristic NOUN bg257d29b2n 6 8 as as SCONJ bg257d29b2n 6 9 displayed display VERB bg257d29b2n 6 10 in in ADP bg257d29b2n 6 11 the the DET bg257d29b2n 6 12 chlorophosphite chlorophosphite PROPN bg257d29b2n 6 13 staudinger staudinger PROPN bg257d29b2n 6 14 ligation ligation NOUN bg257d29b2n 6 15 method method NOUN bg257d29b2n 6 16 , , PUNCT bg257d29b2n 6 17 while while SCONJ bg257d29b2n 6 18 minimizing minimize VERB bg257d29b2n 6 19 phosphine phosphine NOUN bg257d29b2n 6 20 oxide oxide NOUN bg257d29b2n 6 21 production production NOUN bg257d29b2n 6 22 by by ADP bg257d29b2n 6 23 employing employ VERB bg257d29b2n 6 24 phenylsilane phenylsilane PROPN bg257d29b2n 6 25 to to PART bg257d29b2n 6 26 regenerate regenerate VERB bg257d29b2n 6 27 triphenylphosphine triphenylphosphine NOUN bg257d29b2n 6 28 . . PUNCT bg257d29b2n 7 1 our our PRON bg257d29b2n 7 2 phosphorus phosphorus NOUN bg257d29b2n 7 3 - - PUNCT bg257d29b2n 7 4 mediated mediate VERB bg257d29b2n 7 5 was be AUX bg257d29b2n 7 6 also also ADV bg257d29b2n 7 7 applicable applicable ADJ bg257d29b2n 7 8 to to ADP bg257d29b2n 7 9 n–o n–o NOUN bg257d29b2n 7 10 bond bond NOUN bg257d29b2n 7 11 activation activation NOUN bg257d29b2n 7 12 as as SCONJ bg257d29b2n 7 13 shown show VERB bg257d29b2n 7 14 by by ADP bg257d29b2n 7 15 our our PRON bg257d29b2n 7 16 phosphite phosphite ADV bg257d29b2n 7 17 - - PUNCT bg257d29b2n 7 18 mediated mediate VERB bg257d29b2n 7 19 approach approach NOUN bg257d29b2n 7 20 toward toward ADP bg257d29b2n 7 21 n n PROPN bg257d29b2n 7 22 - - PUNCT bg257d29b2n 7 23 toluenesulfonyl toluenesulfonyl ADJ bg257d29b2n 7 24 amidine amidine ADJ bg257d29b2n 7 25 construction construction NOUN bg257d29b2n 7 26 . . PUNCT bg257d29b2n 8 1 this this DET bg257d29b2n 8 2 method method NOUN bg257d29b2n 8 3 avoids avoid VERB bg257d29b2n 8 4 the the DET bg257d29b2n 8 5 direct direct ADJ bg257d29b2n 8 6 use use NOUN bg257d29b2n 8 7 of of ADP bg257d29b2n 8 8 amines amine NOUN bg257d29b2n 8 9 , , PUNCT bg257d29b2n 8 10 harsh harsh ADJ bg257d29b2n 8 11 reaction reaction NOUN bg257d29b2n 8 12 conditions condition NOUN bg257d29b2n 8 13 , , PUNCT bg257d29b2n 8 14 and and CCONJ bg257d29b2n 8 15 the the DET bg257d29b2n 8 16 need need NOUN bg257d29b2n 8 17 for for ADP bg257d29b2n 8 18 a a DET bg257d29b2n 8 19 metal metal NOUN bg257d29b2n 8 20 catalyst catalyst NOUN bg257d29b2n 8 21 . . PUNCT bg257d29b2n 9 1 the the DET bg257d29b2n 9 2 ligation ligation NOUN bg257d29b2n 9 3 is be AUX bg257d29b2n 9 4 mechanistically mechanistically ADV bg257d29b2n 9 5 related relate VERB bg257d29b2n 9 6 to to ADP bg257d29b2n 9 7 the the DET bg257d29b2n 9 8 beckmann beckmann PROPN bg257d29b2n 9 9 rearrangement rearrangement NOUN bg257d29b2n 9 10 in in ADP bg257d29b2n 9 11 that that DET bg257d29b2n 9 12 oxime oxime NOUN bg257d29b2n 9 13 geometry geometry NOUN bg257d29b2n 9 14 dictates dictate VERB bg257d29b2n 9 15 migratory migratory NOUN bg257d29b2n 9 16 aptitude aptitude NOUN bg257d29b2n 9 17 and and CCONJ bg257d29b2n 9 18 proceeds proceed NOUN bg257d29b2n 9 19 with with ADP bg257d29b2n 9 20 retention retention NOUN bg257d29b2n 9 21 of of ADP bg257d29b2n 9 22 absolute absolute ADJ bg257d29b2n 9 23 configuration configuration NOUN bg257d29b2n 9 24 . . PUNCT bg257d29b2n 10 1 carbonyl carbonyl PROPN bg257d29b2n 10 2 c c X bg257d29b2n 10 3 = = SYM bg257d29b2n 10 4 o o X bg257d29b2n 10 5 bond bond NOUN bg257d29b2n 10 6 activation activation NOUN bg257d29b2n 10 7 can can AUX bg257d29b2n 10 8 also also ADV bg257d29b2n 10 9 be be AUX bg257d29b2n 10 10 achieved achieve VERB bg257d29b2n 10 11 using use VERB bg257d29b2n 10 12 p(nme2)3 p(nme2)3 NOUN bg257d29b2n 10 13 toward toward ADP bg257d29b2n 10 14 the the DET bg257d29b2n 10 15 synthesis synthesis NOUN bg257d29b2n 10 16 of of ADP bg257d29b2n 10 17 the the DET bg257d29b2n 10 18 3,3'-spirocyclopropane 3,3'-spirocyclopropane NUM bg257d29b2n 10 19 oxindole oxindole NOUN bg257d29b2n 10 20 core core NOUN bg257d29b2n 10 21 via via ADP bg257d29b2n 10 22 a a DET bg257d29b2n 10 23 kukhtin kukhtin PROPN bg257d29b2n 10 24 - - PUNCT bg257d29b2n 10 25 ramirez ramirez PROPN bg257d29b2n 10 26 reaction reaction NOUN bg257d29b2n 10 27 with with ADP bg257d29b2n 10 28 a a DET bg257d29b2n 10 29 broad broad ADJ bg257d29b2n 10 30 range range NOUN bg257d29b2n 10 31 of of ADP bg257d29b2n 10 32 aryl aryl NOUN bg257d29b2n 10 33 and and CCONJ bg257d29b2n 10 34 alkyl alkyl ADJ bg257d29b2n 10 35 alkylidene alkylidene NOUN bg257d29b2n 10 36 oxindoles oxindole NOUN bg257d29b2n 10 37 . . PUNCT bg257d29b2n 11 1 overall overall ADJ bg257d29b2n 11 2 , , PUNCT bg257d29b2n 11 3 high high ADJ bg257d29b2n 11 4 yields yield NOUN bg257d29b2n 11 5 were be AUX bg257d29b2n 11 6 obtained obtain VERB bg257d29b2n 11 7 of of ADP bg257d29b2n 11 8 the the DET bg257d29b2n 11 9 spirocyclopropanes spirocyclopropane NOUN bg257d29b2n 11 10 starting start VERB bg257d29b2n 11 11 from from ADP bg257d29b2n 11 12 a a DET bg257d29b2n 11 13 variety variety NOUN bg257d29b2n 11 14 of of ADP bg257d29b2n 11 15 readily readily ADV bg257d29b2n 11 16 available available ADJ bg257d29b2n 11 17 alkylidene alkylidene NOUN bg257d29b2n 11 18 oxindoles oxindole NOUN bg257d29b2n 11 19 . . PUNCT bg257d29b2n 12 1 moderate moderate ADJ bg257d29b2n 12 2 diastereoselectivities diastereoselectivitie NOUN bg257d29b2n 12 3 are be AUX bg257d29b2n 12 4 observed observe VERB bg257d29b2n 12 5 in in ADP bg257d29b2n 12 6 sterically sterically ADV bg257d29b2n 12 7 encumbered encumber VERB bg257d29b2n 12 8 alkylidenes alkylidene NOUN bg257d29b2n 12 9 , , PUNCT bg257d29b2n 12 10 in in ADP bg257d29b2n 12 11 which which PRON bg257d29b2n 12 12 double double ADJ bg257d29b2n 12 13 - - PUNCT bg257d29b2n 12 14 bond bond NOUN bg257d29b2n 12 15 isomerization isomerization NOUN bg257d29b2n 12 16 is be AUX bg257d29b2n 12 17 minimized minimize VERB bg257d29b2n 12 18 . . PUNCT bg257d29b2n 13 1 we we PRON bg257d29b2n 13 2 were be AUX bg257d29b2n 13 3 also also ADV bg257d29b2n 13 4 successful successful ADJ bg257d29b2n 13 5 in in ADP bg257d29b2n 13 6 our our PRON bg257d29b2n 13 7 efforts effort NOUN bg257d29b2n 13 8 to to PART bg257d29b2n 13 9 synthesis synthesis VERB bg257d29b2n 13 10 a a DET bg257d29b2n 13 11 1,1 1,1 NUM bg257d29b2n 13 12 - - PUNCT bg257d29b2n 13 13 diester diester NOUN bg257d29b2n 13 14 spirocyclopropane spirocyclopropane NOUN bg257d29b2n 13 15 , , PUNCT bg257d29b2n 13 16 which which PRON bg257d29b2n 13 17 we we PRON bg257d29b2n 13 18 envision envision VERB bg257d29b2n 13 19 will will AUX bg257d29b2n 13 20 be be AUX bg257d29b2n 13 21 a a DET bg257d29b2n 13 22 suitable suitable ADJ bg257d29b2n 13 23 substrate substrate NOUN bg257d29b2n 13 24 for for ADP bg257d29b2n 13 25 ring ring NOUN bg257d29b2n 13 26 expansion expansion NOUN bg257d29b2n 13 27 to to ADP bg257d29b2n 13 28 the the DET bg257d29b2n 13 29 spiropyrrolidinyl spiropyrrolidinyl ADJ bg257d29b2n 13 30 series series NOUN bg257d29b2n 13 31 utilizing utilize VERB bg257d29b2n 13 32 lewis lewis PROPN bg257d29b2n 13 33 - - PUNCT bg257d29b2n 13 34 acid acid NOUN bg257d29b2n 13 35 activation activation NOUN bg257d29b2n 13 36 and and CCONJ bg257d29b2n 13 37 an an DET bg257d29b2n 13 38 imine imine NOUN bg257d29b2n 13 39 nucleophile nucleophile NOUN bg257d29b2n 13 40 . . PUNCT bg257d29b2n 14 1 in in ADP bg257d29b2n 14 2 addition addition NOUN bg257d29b2n 14 3 , , PUNCT bg257d29b2n 14 4 c–x c–x VERB bg257d29b2n 14 5 activation activation NOUN bg257d29b2n 14 6 using use VERB bg257d29b2n 14 7 phosphine phosphine NOUN bg257d29b2n 14 8 additives additive NOUN bg257d29b2n 14 9 under under ADP bg257d29b2n 14 10 ambient ambient ADJ bg257d29b2n 14 11 conditions condition NOUN bg257d29b2n 14 12 was be AUX bg257d29b2n 14 13 also also ADV bg257d29b2n 14 14 achieved achieve VERB bg257d29b2n 14 15 . . PUNCT bg257d29b2n 15 1 the the DET bg257d29b2n 15 2 isolation isolation NOUN bg257d29b2n 15 3 of of ADP bg257d29b2n 15 4 an an DET bg257d29b2n 15 5 unprecedented unprecedented ADJ bg257d29b2n 15 6 phosphine phosphine NOUN bg257d29b2n 15 7 - - PUNCT bg257d29b2n 15 8 dinuclear dinuclear NOUN bg257d29b2n 15 9 zinc zinc NOUN bg257d29b2n 15 10 bisacetylide bisacetylide NOUN bg257d29b2n 15 11 complex complex NOUN bg257d29b2n 15 12 sheds shed VERB bg257d29b2n 15 13 light light NOUN bg257d29b2n 15 14 on on ADP bg257d29b2n 15 15 the the DET bg257d29b2n 15 16 nature nature NOUN bg257d29b2n 15 17 of of ADP bg257d29b2n 15 18 this this DET bg257d29b2n 15 19 enhanced enhanced ADJ bg257d29b2n 15 20 reactivity reactivity NOUN bg257d29b2n 15 21 and and CCONJ bg257d29b2n 15 22 provides provide VERB bg257d29b2n 15 23 the the DET bg257d29b2n 15 24 impetus impetus NOUN bg257d29b2n 15 25 for for ADP bg257d29b2n 15 26 further further ADJ bg257d29b2n 15 27 development development NOUN bg257d29b2n 15 28 of of ADP bg257d29b2n 15 29 alternative alternative ADJ bg257d29b2n 15 30 zinc zinc NOUN bg257d29b2n 15 31 ligand ligand NOUN bg257d29b2n 15 32 designs design NOUN bg257d29b2n 15 33 . . PUNCT bg257d29b2n 16 1 this this DET bg257d29b2n 16 2 reliable reliable ADJ bg257d29b2n 16 3 procedure procedure NOUN bg257d29b2n 16 4 complements complement VERB bg257d29b2n 16 5 existing exist VERB bg257d29b2n 16 6 alkynylation alkynylation NOUN bg257d29b2n 16 7 technology technology NOUN bg257d29b2n 16 8 , , PUNCT bg257d29b2n 16 9 and and CCONJ bg257d29b2n 16 10 lays lay VERB bg257d29b2n 16 11 the the DET bg257d29b2n 16 12 foundation foundation NOUN bg257d29b2n 16 13 for for ADP bg257d29b2n 16 14 future future ADJ bg257d29b2n 16 15 applications application NOUN bg257d29b2n 16 16 of of ADP bg257d29b2n 16 17 phosphine phosphine NOUN bg257d29b2n 16 18 - - PUNCT bg257d29b2n 16 19 mediated mediate VERB bg257d29b2n 16 20 organozinc organozinc PROPN bg257d29b2n 16 21 additions addition NOUN bg257d29b2n 16 22 to to ADP bg257d29b2n 16 23 carbonyl carbonyl ADJ bg257d29b2n 16 24 compounds compound NOUN bg257d29b2n 16 25 . . PUNCT bg257d29b2n 17 1 additionally additionally ADV bg257d29b2n 17 2 , , PUNCT bg257d29b2n 17 3 our our PRON bg257d29b2n 17 4 study study NOUN bg257d29b2n 17 5 illustrates illustrate VERB bg257d29b2n 17 6 the the DET bg257d29b2n 17 7 first first ADJ bg257d29b2n 17 8 example example NOUN bg257d29b2n 17 9 of of ADP bg257d29b2n 17 10 a a DET bg257d29b2n 17 11 chiral chiral ADJ bg257d29b2n 17 12 phosphine phosphine NOUN bg257d29b2n 17 13 - - PUNCT bg257d29b2n 17 14 accelerated accelerate VERB bg257d29b2n 17 15 enantioselective enantioselective ADJ bg257d29b2n 17 16 alkynylzinc alkynylzinc ADJ bg257d29b2n 17 17 addition addition NOUN bg257d29b2n 17 18 to to ADP bg257d29b2n 17 19 aldehydes aldehyde NOUN bg257d29b2n 17 20 . . PUNCT bg257d29b2n 18 1 overall overall ADV bg257d29b2n 18 2 , , PUNCT bg257d29b2n 18 3 we we PRON bg257d29b2n 18 4 have have AUX bg257d29b2n 18 5 exhibited exhibit VERB bg257d29b2n 18 6 numerous numerous ADJ bg257d29b2n 18 7 methods method NOUN bg257d29b2n 18 8 showcasing showcase VERB bg257d29b2n 18 9 the the DET bg257d29b2n 18 10 power power NOUN bg257d29b2n 18 11 of of ADP bg257d29b2n 18 12 phosphorus phosphorus NOUN bg257d29b2n 18 13 to to PART bg257d29b2n 18 14 mediate mediate VERB bg257d29b2n 18 15 or or CCONJ bg257d29b2n 18 16 enhance enhance VERB bg257d29b2n 18 17 reactivity reactivity NOUN bg257d29b2n 18 18 for for ADP bg257d29b2n 18 19 the the DET bg257d29b2n 18 20 synthesis synthesis NOUN bg257d29b2n 18 21 of of ADP bg257d29b2n 18 22 highly highly ADV bg257d29b2n 18 23 important important ADJ bg257d29b2n 18 24 functional functional ADJ bg257d29b2n 18 25 groups group NOUN bg257d29b2n 18 26 such such ADJ bg257d29b2n 18 27 as as ADP bg257d29b2n 18 28 amides amide NOUN bg257d29b2n 18 29 , , PUNCT bg257d29b2n 18 30 amidines amidines PROPN bg257d29b2n 18 31 , , PUNCT bg257d29b2n 18 32 spirocyclopropane spirocyclopropane PROPN bg257d29b2n 18 33 oxindoles oxindole NOUN bg257d29b2n 18 34 , , PUNCT bg257d29b2n 18 35 and and CCONJ bg257d29b2n 18 36 propargyl propargyl VERB bg257d29b2n 18 37 alcohols alcohol NOUN bg257d29b2n 18 38 . . PUNCT bg257d29b2n 19 1 it it PRON bg257d29b2n 19 2 is be AUX bg257d29b2n 19 3 our our PRON bg257d29b2n 19 4 hope hope NOUN bg257d29b2n 19 5 that that SCONJ bg257d29b2n 19 6 these these DET bg257d29b2n 19 7 methods method NOUN bg257d29b2n 19 8 are be AUX bg257d29b2n 19 9 useful useful ADJ bg257d29b2n 19 10 to to ADP bg257d29b2n 19 11 the the DET bg257d29b2n 19 12 scientific scientific ADJ bg257d29b2n 19 13 community community NOUN bg257d29b2n 19 14 for for ADP bg257d29b2n 19 15 the the DET bg257d29b2n 19 16 synthesis synthesis NOUN bg257d29b2n 19 17 of of ADP bg257d29b2n 19 18 pharmaceutically pharmaceutically ADV bg257d29b2n 19 19 relevant relevant ADJ bg257d29b2n 19 20 compounds compound NOUN bg257d29b2n 19 21 and and CCONJ bg257d29b2n 19 22 biologically biologically ADV bg257d29b2n 19 23 active active ADJ bg257d29b2n 19 24 molecules molecule NOUN bg257d29b2n 19 25 . . PUNCT