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202477-57-4

1-TERT-BUTYL-2-METHYL-2H-PYRROLE-1,2(5H)-DICARBOXYLATE synthesis

8synthesis methods
3-Butenoic acid, 2-[[(1,1-dimethylethoxy)carbonyl]-2-propen-1-ylamino]-4-phenyl-, methyl ester, (3E)-

1160722-69-9
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1-TERT-BUTYL-2-METHYL-2H-PYRROLE-1,2(5H)-DICARBOXYLATE

202477-57-4
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Yield:202477-57-4 88%

Reaction Conditions:

with tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride in dichloromethane; for 1.5 h;Inert atmosphere;Reflux;chemoselective reaction;

References:

Pavlyuk, Oksana;Teller, Henrik;McMills, Mark C. [Tetrahedron Letters,2009,vol. 50,# 23,p. 2716 - 2718] Location in patent:supporting information; experimental part