id	sid	tid	token	lemma	pos
73666397w3r	1	1	new	new	ADJ
73666397w3r	1	2	synthetic	synthetic	ADJ
73666397w3r	1	3	applications	application	NOUN
73666397w3r	1	4	of	of	ADP
73666397w3r	1	5	nitroso	nitroso	NOUN
73666397w3r	1	6	diels	diel	NOUN
73666397w3r	1	7	-	-	PUNCT
73666397w3r	1	8	alder	alder	ADJ
73666397w3r	1	9	reactions	reaction	NOUN
73666397w3r	1	10	abstract	abstract	ADJ
73666397w3r	1	11	by	by	ADP
73666397w3r	1	12	fangzheng	fangzheng	PROPN
73666397w3r	1	13	li	li	PROPN
73666397w3r	1	14	the	the	DET
73666397w3r	1	15	focus	focus	NOUN
73666397w3r	1	16	of	of	ADP
73666397w3r	1	17	this	this	DET
73666397w3r	1	18	dissertation	dissertation	NOUN
73666397w3r	1	19	is	be	AUX
73666397w3r	1	20	to	to	PART
73666397w3r	1	21	develop	develop	VERB
73666397w3r	1	22	new	new	ADJ
73666397w3r	1	23	synthetic	synthetic	ADJ
73666397w3r	1	24	applications	application	NOUN
73666397w3r	1	25	of	of	ADP
73666397w3r	1	26	nitroso	nitroso	NOUN
73666397w3r	1	27	diels	diel	NOUN
73666397w3r	1	28	-	-	PUNCT
73666397w3r	1	29	alder	alder	NOUN
73666397w3r	1	30	reactions	reaction	NOUN
73666397w3r	1	31	,	,	PUNCT
73666397w3r	1	32	which	which	PRON
73666397w3r	1	33	have	have	AUX
73666397w3r	1	34	been	be	AUX
73666397w3r	1	35	powerful	powerful	ADJ
73666397w3r	1	36	synthetic	synthetic	ADJ
73666397w3r	1	37	tools	tool	NOUN
73666397w3r	1	38	for	for	ADP
73666397w3r	1	39	the	the	DET
73666397w3r	1	40	formation	formation	NOUN
73666397w3r	1	41	of	of	ADP
73666397w3r	1	42	1,4	1,4	PROPN
73666397w3r	1	43	-	-	PUNCT
73666397w3r	1	44	c	c	NOUN
73666397w3r	1	45	-	-	PUNCT
73666397w3r	1	46	o	o	NOUN
73666397w3r	1	47	and	and	CCONJ
73666397w3r	1	48	c	c	X
73666397w3r	1	49	-	-	PUNCT
73666397w3r	1	50	n	n	NOUN
73666397w3r	1	51	bonds	bond	NOUN
73666397w3r	1	52	in	in	ADP
73666397w3r	1	53	a	a	DET
73666397w3r	1	54	single	single	ADJ
73666397w3r	1	55	step	step	NOUN
73666397w3r	1	56	.	.	PUNCT
73666397w3r	2	1	four	four	NUM
73666397w3r	2	2	projects	project	NOUN
73666397w3r	2	3	have	have	AUX
73666397w3r	2	4	been	be	AUX
73666397w3r	2	5	evolved	evolve	VERB
73666397w3r	2	6	from	from	ADP
73666397w3r	2	7	this	this	DET
73666397w3r	2	8	main	main	ADJ
73666397w3r	2	9	research	research	NOUN
73666397w3r	2	10	theme	theme	NOUN
73666397w3r	2	11	.	.	PUNCT
73666397w3r	3	1	in	in	ADP
73666397w3r	3	2	chapter	chapter	NOUN
73666397w3r	3	3	two	two	NUM
73666397w3r	3	4	,	,	PUNCT
73666397w3r	3	5	efficient	efficient	ADJ
73666397w3r	3	6	and	and	CCONJ
73666397w3r	3	7	practical	practical	ADJ
73666397w3r	3	8	chemoenzymatic	chemoenzymatic	ADJ
73666397w3r	3	9	syntheses	synthesis	NOUN
73666397w3r	3	10	of	of	ADP
73666397w3r	3	11	both	both	PRON
73666397w3r	3	12	enantiomerically	enantiomerically	ADV
73666397w3r	3	13	pure	pure	ADJ
73666397w3r	3	14	4	4	NUM
73666397w3r	3	15	-	-	PUNCT
73666397w3r	3	16	boc	boc	NOUN
73666397w3r	3	17	-	-	PUNCT
73666397w3r	3	18	aminocyclopent-2	aminocyclopent-2	VERB
73666397w3r	3	19	-	-	PUNCT
73666397w3r	3	20	ene-1	ene-1	NOUN
73666397w3r	3	21	-	-	PUNCT
73666397w3r	3	22	ols	ol	NOUN
73666397w3r	3	23	are	be	AUX
73666397w3r	3	24	presented	present	VERB
73666397w3r	3	25	based	base	VERB
73666397w3r	3	26	on	on	ADP
73666397w3r	3	27	an	an	DET
73666397w3r	3	28	acylnitroso	acylnitroso	NOUN
73666397w3r	3	29	diels	diel	NOUN
73666397w3r	3	30	alder	alder	NOUN
73666397w3r	3	31	reaction	reaction	NOUN
73666397w3r	3	32	approach	approach	NOUN
73666397w3r	3	33	.	.	PUNCT
73666397w3r	4	1	starting	start	VERB
73666397w3r	4	2	from	from	ADP
73666397w3r	4	3	one	one	NUM
73666397w3r	4	4	enantiomer	enantiomer	NOUN
73666397w3r	4	5	,	,	PUNCT
73666397w3r	4	6	total	total	ADJ
73666397w3r	4	7	syntheses	synthesis	NOUN
73666397w3r	4	8	of	of	ADP
73666397w3r	4	9	(	(	PUNCT
73666397w3r	4	10	+	+	ADJ
73666397w3r	4	11	)	)	PUNCT
73666397w3r	4	12	-carbocyclic	-carbocyclic	ADJ
73666397w3r	4	13	uracil	uracil	NOUN
73666397w3r	4	14	polyoxin	polyoxin	PROPN
73666397w3r	4	15	c	c	PROPN
73666397w3r	4	16	and	and	CCONJ
73666397w3r	4	17	its	its	PRON
73666397w3r	4	18	ì_å±-epimer	ì_å±-epim	ADJ
73666397w3r	4	19	were	be	AUX
73666397w3r	4	20	accomplished	accomplish	VERB
73666397w3r	4	21	in	in	ADP
73666397w3r	4	22	eight	eight	NUM
73666397w3r	4	23	steps	step	NOUN
73666397w3r	4	24	.	.	PUNCT
73666397w3r	5	1	the	the	DET
73666397w3r	5	2	synthesis	synthesis	NOUN
73666397w3r	5	3	incorporates	incorporate	VERB
73666397w3r	5	4	a	a	DET
73666397w3r	5	5	pd(0)-catalyzed	pd(0)-catalyze	VERB
73666397w3r	5	6	allylic	allylic	ADJ
73666397w3r	5	7	alkylation	alkylation	NOUN
73666397w3r	5	8	,	,	PUNCT
73666397w3r	5	9	a	a	DET
73666397w3r	5	10	mild	mild	ADJ
73666397w3r	5	11	reduction	reduction	NOUN
73666397w3r	5	12	of	of	ADP
73666397w3r	5	13	an	an	DET
73666397w3r	5	14	ì_å±-nitro	ì_å±-nitro	X
73666397w3r	5	15	ester	ester	NOUN
73666397w3r	5	16	and	and	CCONJ
73666397w3r	5	17	a	a	DET
73666397w3r	5	18	modification	modification	NOUN
73666397w3r	5	19	of	of	ADP
73666397w3r	5	20	shaw	shaw	NOUN
73666397w3r	5	21	and	and	CCONJ
73666397w3r	5	22	warrenerìøåàå_s	warrenerìøåàå_	NOUN
73666397w3r	5	23	procedure	procedure	NOUN
73666397w3r	5	24	for	for	ADP
73666397w3r	5	25	uracil	uracil	NOUN
73666397w3r	5	26	formation	formation	NOUN
73666397w3r	5	27	.	.	PUNCT
73666397w3r	6	1	starting	start	VERB
73666397w3r	6	2	from	from	ADP
73666397w3r	6	3	the	the	DET
73666397w3r	6	4	other	other	ADJ
73666397w3r	6	5	enantiomer	enantiomer	NOUN
73666397w3r	6	6	,	,	PUNCT
73666397w3r	6	7	the	the	DET
73666397w3r	6	8	stereoselective	stereoselective	ADJ
73666397w3r	6	9	total	total	ADJ
73666397w3r	6	10	synthesis	synthesis	NOUN
73666397w3r	6	11	of	of	ADP
73666397w3r	6	12	a	a	DET
73666397w3r	6	13	lipophilic	lipophilic	ADJ
73666397w3r	6	14	antibiotic	antibiotic	NOUN
73666397w3r	6	15	,	,	PUNCT
73666397w3r	6	16	(	(	PUNCT
73666397w3r	6	17	+	+	NOUN
73666397w3r	6	18	)	)	PUNCT
73666397w3r	6	19	-streptazolin	-streptazolin	PROPN
73666397w3r	6	20	is	be	AUX
73666397w3r	6	21	described	describe	VERB
73666397w3r	6	22	in	in	ADP
73666397w3r	6	23	chapter	chapter	NOUN
73666397w3r	6	24	3	3	NUM
73666397w3r	6	25	.	.	PUNCT
73666397w3r	7	1	the	the	DET
73666397w3r	7	2	synthetic	synthetic	ADJ
73666397w3r	7	3	sequence	sequence	NOUN
73666397w3r	7	4	highlights	highlight	VERB
73666397w3r	7	5	an	an	DET
73666397w3r	7	6	intramolecular	intramolecular	ADJ
73666397w3r	7	7	aldol	aldol	NOUN
73666397w3r	7	8	condensation	condensation	NOUN
73666397w3r	7	9	strategy	strategy	NOUN
73666397w3r	7	10	to	to	PART
73666397w3r	7	11	construct	construct	VERB
73666397w3r	7	12	the	the	DET
73666397w3r	7	13	piperidine	piperidine	NOUN
73666397w3r	7	14	core	core	NOUN
73666397w3r	7	15	and	and	CCONJ
73666397w3r	7	16	a	a	DET
73666397w3r	7	17	silicon	silicon	NOUN
73666397w3r	7	18	-	-	PUNCT
73666397w3r	7	19	tethered	tether	VERB
73666397w3r	7	20	ring	ring	NOUN
73666397w3r	7	21	closing	closing	NOUN
73666397w3r	7	22	metathesis	metathesis	NOUN
73666397w3r	7	23	strategy	strategy	NOUN
73666397w3r	7	24	to	to	PART
73666397w3r	7	25	install	install	VERB
73666397w3r	7	26	the	the	DET
73666397w3r	7	27	z	z	PROPN
73666397w3r	7	28	exocyclic	exocyclic	PROPN
73666397w3r	7	29	ethylidene	ethylidene	ADJ
73666397w3r	7	30	side	side	NOUN
73666397w3r	7	31	chain	chain	NOUN
73666397w3r	7	32	of	of	ADP
73666397w3r	7	33	streptazolin	streptazolin	PROPN
73666397w3r	7	34	.	.	PUNCT
73666397w3r	8	1	the	the	DET
73666397w3r	8	2	overall	overall	ADJ
73666397w3r	8	3	yield	yield	NOUN
73666397w3r	8	4	was	be	AUX
73666397w3r	8	5	4.8	4.8	NUM
73666397w3r	8	6	%	%	NOUN
73666397w3r	8	7	for	for	ADP
73666397w3r	8	8	a	a	DET
73666397w3r	8	9	total	total	NOUN
73666397w3r	8	10	of	of	ADP
73666397w3r	8	11	16	16	NUM
73666397w3r	8	12	steps	step	NOUN
73666397w3r	8	13	.	.	PUNCT
73666397w3r	9	1	meanwhile	meanwhile	ADV
73666397w3r	9	2	,	,	PUNCT
73666397w3r	9	3	a	a	DET
73666397w3r	9	4	highly	highly	ADV
73666397w3r	9	5	efficient	efficient	ADJ
73666397w3r	9	6	and	and	CCONJ
73666397w3r	9	7	selective	selective	ADJ
73666397w3r	9	8	pyridine	pyridine	NOUN
73666397w3r	9	9	nitroso	nitroso	NOUN
73666397w3r	9	10	da	da	NOUN
73666397w3r	9	11	reaction	reaction	NOUN
73666397w3r	9	12	was	be	AUX
73666397w3r	9	13	used	use	VERB
73666397w3r	9	14	to	to	PART
73666397w3r	9	15	synthesize	synthesize	VERB
73666397w3r	9	16	novel	novel	ADJ
73666397w3r	9	17	streptazolin	streptazolin	PROPN
73666397w3r	9	18	derivatives	derivative	NOUN
73666397w3r	9	19	.	.	PUNCT
73666397w3r	10	1	in	in	ADP
73666397w3r	10	2	the	the	DET
73666397w3r	10	3	next	next	ADJ
73666397w3r	10	4	chapter	chapter	NOUN
73666397w3r	10	5	,	,	PUNCT
73666397w3r	10	6	the	the	DET
73666397w3r	10	7	stabilized	stabilize	VERB
73666397w3r	10	8	iminonitroso	iminonitroso	NOUN
73666397w3r	10	9	diels	diel	NOUN
73666397w3r	10	10	-	-	PUNCT
73666397w3r	10	11	alder	alder	NOUN
73666397w3r	10	12	reaction	reaction	NOUN
73666397w3r	10	13	,	,	PUNCT
73666397w3r	10	14	particularly	particularly	ADV
73666397w3r	10	15	the	the	DET
73666397w3r	10	16	pyridine	pyridine	PROPN
73666397w3r	10	17	nda	nda	PROPN
73666397w3r	10	18	(	(	PUNCT
73666397w3r	10	19	nitroso	nitroso	NOUN
73666397w3r	10	20	diels	diel	NOUN
73666397w3r	10	21	-	-	PUNCT
73666397w3r	10	22	alder	alder	NOUN
73666397w3r	10	23	)	)	PUNCT
73666397w3r	10	24	reaction	reaction	NOUN
73666397w3r	10	25	,	,	PUNCT
73666397w3r	10	26	is	be	AUX
73666397w3r	10	27	demonstrated	demonstrate	VERB
73666397w3r	10	28	to	to	PART
73666397w3r	10	29	be	be	AUX
73666397w3r	10	30	a	a	DET
73666397w3r	10	31	remarkably	remarkably	ADV
73666397w3r	10	32	efficient	efficient	ADJ
73666397w3r	10	33	method	method	NOUN
73666397w3r	10	34	for	for	ADP
73666397w3r	10	35	derivatization	derivatization	NOUN
73666397w3r	10	36	of	of	ADP
73666397w3r	10	37	complex	complex	ADJ
73666397w3r	10	38	diene	diene	NOUN
73666397w3r	10	39	-	-	PUNCT
73666397w3r	10	40	containing	contain	VERB
73666397w3r	10	41	natural	natural	ADJ
73666397w3r	10	42	products	product	NOUN
73666397w3r	10	43	.	.	PUNCT
73666397w3r	11	1	natural	natural	ADJ
73666397w3r	11	2	products	product	NOUN
73666397w3r	11	3	,	,	PUNCT
73666397w3r	11	4	turimycin	turimycin	PROPN
73666397w3r	11	5	h3	h3	PROPN
73666397w3r	11	6	,	,	PUNCT
73666397w3r	11	7	ergosterol	ergosterol	NOUN
73666397w3r	11	8	,	,	PUNCT
73666397w3r	11	9	reductiomycin	reductiomycin	PROPN
73666397w3r	11	10	,	,	PUNCT
73666397w3r	11	11	colchicine	colchicine	NOUN
73666397w3r	11	12	and	and	CCONJ
73666397w3r	11	13	thebaine	thebaine	NOUN
73666397w3r	11	14	were	be	AUX
73666397w3r	11	15	found	find	VERB
73666397w3r	11	16	to	to	PART
73666397w3r	11	17	react	react	VERB
73666397w3r	11	18	with	with	ADP
73666397w3r	11	19	nitrosopyridines	nitrosopyridine	NOUN
73666397w3r	11	20	in	in	ADP
73666397w3r	11	21	a	a	DET
73666397w3r	11	22	highly	highly	ADV
73666397w3r	11	23	efficient	efficient	ADJ
73666397w3r	11	24	and	and	CCONJ
73666397w3r	11	25	completely	completely	ADV
73666397w3r	11	26	regioand	regioand	PROPN
73666397w3r	11	27	stereo	stereo	ADJ
73666397w3r	11	28	-	-	PUNCT
73666397w3r	11	29	selective	selective	ADJ
73666397w3r	11	30	fashion	fashion	NOUN
73666397w3r	11	31	.	.	PUNCT
73666397w3r	12	1	in	in	ADP
73666397w3r	12	2	most	most	ADJ
73666397w3r	12	3	cases	case	NOUN
73666397w3r	12	4	,	,	PUNCT
73666397w3r	12	5	nda	nda	PROPN
73666397w3r	12	6	cycloadducts	cycloadduct	NOUN
73666397w3r	12	7	were	be	AUX
73666397w3r	12	8	obtained	obtain	VERB
73666397w3r	12	9	in	in	ADP
73666397w3r	12	10	more	more	ADJ
73666397w3r	12	11	than	than	ADP
73666397w3r	12	12	90	90	NUM
73666397w3r	12	13	%	%	NOUN
73666397w3r	12	14	purity	purity	NOUN
73666397w3r	12	15	without	without	ADP
73666397w3r	12	16	any	any	DET
73666397w3r	12	17	work	work	NOUN
73666397w3r	12	18	-	-	PUNCT
73666397w3r	12	19	up	up	NOUN
73666397w3r	12	20	or	or	CCONJ
73666397w3r	12	21	purification	purification	NOUN
73666397w3r	12	22	.	.	PUNCT
73666397w3r	13	1	meanwhile	meanwhile	ADV
73666397w3r	13	2	,	,	PUNCT
73666397w3r	13	3	pyridine	pyridine	PROPN
73666397w3r	13	4	nda	nda	PROPN
73666397w3r	13	5	reactions	reaction	NOUN
73666397w3r	13	6	of	of	ADP
73666397w3r	13	7	piperine	piperine	NOUN
73666397w3r	13	8	,	,	PUNCT
73666397w3r	13	9	oligomycin	oligomycin	PROPN
73666397w3r	13	10	a	a	PRON
73666397w3r	13	11	,	,	PUNCT
73666397w3r	13	12	rifampicin	rifampicin	PROPN
73666397w3r	13	13	quinone	quinone	NOUN
73666397w3r	13	14	and	and	CCONJ
73666397w3r	13	15	flavofungin	flavofungin	NOUN
73666397w3r	13	16	were	be	AUX
73666397w3r	13	17	also	also	ADV
73666397w3r	13	18	investigated	investigate	VERB
73666397w3r	13	19	.	.	PUNCT
73666397w3r	14	1	interestingly	interestingly	ADV
73666397w3r	14	2	,	,	PUNCT
73666397w3r	14	3	apoptolidin	apoptolidin	ADJ
73666397w3r	14	4	was	be	AUX
73666397w3r	14	5	found	find	VERB
73666397w3r	14	6	to	to	PART
73666397w3r	14	7	undergo	undergo	VERB
73666397w3r	14	8	ene	ene	ADJ
73666397w3r	14	9	reaction	reaction	NOUN
73666397w3r	14	10	instead	instead	ADV
73666397w3r	14	11	of	of	ADP
73666397w3r	14	12	da	da	NOUN
73666397w3r	14	13	reaction	reaction	NOUN
73666397w3r	14	14	again	again	ADV
73666397w3r	14	15	in	in	ADP
73666397w3r	14	16	a	a	DET
73666397w3r	14	17	highly	highly	ADV
73666397w3r	14	18	efficient	efficient	ADJ
73666397w3r	14	19	and	and	CCONJ
73666397w3r	14	20	stereroselctive	stereroselctive	ADJ
73666397w3r	14	21	fashion	fashion	NOUN
73666397w3r	14	22	.	.	PUNCT
73666397w3r	15	1	preliminary	preliminary	ADJ
73666397w3r	15	2	bioactivity	bioactivity	NOUN
73666397w3r	15	3	evaluations	evaluation	NOUN
73666397w3r	15	4	of	of	ADP
73666397w3r	15	5	cycloadducts	cycloadduct	NOUN
73666397w3r	15	6	are	be	AUX
73666397w3r	15	7	also	also	ADV
73666397w3r	15	8	presented	present	VERB
73666397w3r	15	9	.	.	PUNCT
73666397w3r	16	1	finally	finally	ADV
73666397w3r	16	2	,	,	PUNCT
73666397w3r	16	3	efforts	effort	NOUN
73666397w3r	16	4	toward	toward	ADP
73666397w3r	16	5	developing	develop	VERB
73666397w3r	16	6	a	a	DET
73666397w3r	16	7	catalytic	catalytic	ADJ
73666397w3r	16	8	enantioselective	enantioselective	ADJ
73666397w3r	16	9	acylnitroso	acylnitroso	NOUN
73666397w3r	16	10	diels	diel	NOUN
73666397w3r	16	11	-	-	PUNCT
73666397w3r	16	12	alder	alder	ADJ
73666397w3r	16	13	reaction	reaction	NOUN
73666397w3r	16	14	by	by	ADP
73666397w3r	16	15	using	use	VERB
73666397w3r	16	16	three	three	NUM
73666397w3r	16	17	approaches	approach	NOUN
73666397w3r	16	18	are	be	AUX
73666397w3r	16	19	discussed	discuss	VERB
73666397w3r	16	20	in	in	ADP
73666397w3r	16	21	chapter	chapter	NOUN
73666397w3r	16	22	5	5	NUM
73666397w3r	16	23	.	.	PUNCT
73666397w3r	17	1	those	those	DET
73666397w3r	17	2	approaches	approach	NOUN
73666397w3r	17	3	include	include	VERB
73666397w3r	17	4	a	a	DET
73666397w3r	17	5	cu	cu	PROPN
73666397w3r	17	6	lewis	lewis	PROPN
73666397w3r	17	7	acid	acid	PROPN
73666397w3r	17	8	based	base	VERB
73666397w3r	17	9	dual	dual	ADJ
73666397w3r	17	10	function	function	NOUN
73666397w3r	17	11	catalyst	catalyst	NOUN
73666397w3r	17	12	system	system	NOUN
73666397w3r	17	13	,	,	PUNCT
73666397w3r	17	14	a	a	DET
73666397w3r	17	15	gem	gem	NOUN
73666397w3r	17	16	-	-	PUNCT
73666397w3r	17	17	c	c	NOUN
73666397w3r	17	18	-	-	PUNCT
73666397w3r	17	19	acetoxynitroso	acetoxynitroso	NOUN
73666397w3r	17	20	da	da	NOUN
73666397w3r	17	21	reaction	reaction	NOUN
73666397w3r	17	22	as	as	ADP
73666397w3r	17	23	an	an	DET
73666397w3r	17	24	acyl	acyl	NOUN
73666397w3r	17	25	nitroso	nitroso	NOUN
73666397w3r	17	26	da	da	NOUN
73666397w3r	17	27	reaction	reaction	NOUN
73666397w3r	17	28	equivalent	equivalent	ADJ
73666397w3r	17	29	and	and	CCONJ
73666397w3r	17	30	a	a	DET
73666397w3r	17	31	use	use	NOUN
73666397w3r	17	32	of	of	ADP
73666397w3r	17	33	organocatalysts	organocatalyst	NOUN
73666397w3r	17	34	to	to	PART
73666397w3r	17	35	incorporate	incorporate	VERB
73666397w3r	17	36	chiral	chiral	ADJ
73666397w3r	17	37	elements	element	NOUN
73666397w3r	17	38	into	into	ADP
73666397w3r	17	39	the	the	DET
73666397w3r	17	40	diene	diene	ADJ
73666397w3r	17	41	part	part	NOUN
73666397w3r	17	42	of	of	ADP
73666397w3r	17	43	the	the	DET
73666397w3r	17	44	acylnitroso	acylnitroso	NOUN
73666397w3r	17	45	da	da	NOUN
73666397w3r	17	46	reaction	reaction	NOUN
73666397w3r	17	47	.	.	PUNCT