The presence of electron-donating or electron-withdrawing groups on the dienophile and the diene can influence the regioselectivity and stereoselectivity of the reaction.
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methyl 4,6-di-O-benzyl-α-D-mannopyranoside
(E)-2-Bromo-4-methyl-1-phenyl-1,3-pentadiene
tert-butyl ((3S,4R)-4-fluoropyrrolidin-3-yl)carbamate
2-(trans-1-butenyl)-1,4-diphenyl-3-(p-toluenesulfonyl)naphthalene
2-Cyclohexyl-7-pentyl-2,3,4,7-tetrahydro-[1,2]oxazepine
bis(2-hydroxyethyl) succinate
2-(2,2,2-trifluoroethoxy)-5-methoxytrimethylsilylbenzene
But-3-enyl-[1-(2,6-dichloro-4-phenylsulfanylmethyl-pyridin-3-yl)-meth-(E)-ylidene]-amine
(S)-1-benzenesulfonyl-4,5-bis(tert-butyldimethylsilyloxy)-1-diazo-2-pentanone
(1R,5R)-2-Allyl-1-phenyl-2-aza-spiro[4.5]decan-7-one
1-Cyclohexyl-2-(2-hydroxy-ethoxy)-but-3-en-1-ol
1-carbamoyl-4-methyl-6-phenyl-cyclohex-3-enecarboxylic acid
UREA
n
C-(p-nitrophenyl)-N-phenylnitrone
RuH(CO)(P(C6H5)3)2(NHC6H4COC(CH3)3)
3-CHLORO-4-METHOXYBENZALDEHYDE
2-(bromomethyl)-4-methoxyphenol
C-(4-chlorophenyl)-N-methyl-N-(4-nitrophenyl)hydrazone
4-Benzoylisophthalic acid
4-methoxy-2,3,5,6-tetrabromobenzyl bromide
1-(4-methoxyphenyl)3-phenyl-3-nitrosourea
spiro[10,10-bis(4-dimethylaminophenyl)-9,10-dihydrophenanthrene-9,9'-[9H]xanthene]
N,N-diethyl-3-cyanobenzamide
1-(furan-2-yl)-N-(phenylmethyl)ethanamine
(1-Benzyl-1,2,5,6,tetrahydro-pyridin-3-yl)-methanol
toluene-4-sulfonic acid 1-but-3-enyl-6-methyl-hept-5-enyl ester
(1S,6R)-N-[N-(S)-(p-toluenesulfonyl)-p-toluenesulfonimidoyl]-3-methyl-6-(prop-1-en-2-yl)cyclohex-2-enamine
1-Ethyl-2-(ethylthio)benzene
Dicyanomethyl-anion
2-phenyl-1-propyl-1H-indol-3-amine
2,5-Dimethyl-3,6-diphenyl-(7H)furo<2,3-h>-1-benzopyran-7-one
(6R,7S)-7-[2-(4-Hydroxy-phenyl)-acetylamino]-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
2-methoxy-3-(pivaloylaminomethyl)benzoic acid
Benzeneacetonitrile, a-[2-(4-morpholinyl)-1,6-diphenylbicyclo[4.1.0]hept-3-en-7-ylidene]-
3-CHLORO-4-MORPHOLINOANILINE
4-methyl-N-(2,2,5-trimethylhex-4-en-1-yl)benzenesulfonamide
6-O-tert-butyldiphenylsilyl-3-deoxy-1,2-O-isopropylidene-α-D-ribo-hexofuranose
3-Pyridinecarboxylic acid, 5-cyano-2-(dibromomethyl)-1,4,5,6-tetrahydro-6-oxo-4-phenyl-, ethyl ester
Diphenylmethyl-dichlormethyl-sulfon
1-Propanone, 1-(2-naphthalenyl)-2-phenyl-
[(2-tert-butyl-6-(4-fluorophenyl)pyridine(-2H))Pt(PPh3)]
methyl 3,3,3-trifluoro-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1Н-pyrazol-4-ylidene)propanoate
4H-1-Benzopyran-4-one, 7-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]-3-phenyl-2-(phenylmethyl )-, hydrochloride
(7R,12R)-5-fluoro-7,12-dimethyl-1,2,3,4,7,12-hexahydrotetraphene-7,12-diol
