4-Methoxybenzyl (PMB), A Versatile Protecting Group for the Regiospecific Lithiation and Functionalization of Pyrazoles

References

• Fugina , N. , Holzer , W. and Wasicky , M. 1992 . Heterocycles , 34 : 303 and references cited there in
   Google Scholar
• Katritzky , A. R. , Jayaram , C. and Vassilatos , S. N. 1983 . Tetrahedron , 39 : 2023
   Google Scholar
• Booker-Milburn , K. I. 1992 . SYNLETT , : 327
   Google Scholar
• Lehmann , J. 1989 . Drugs of The Future , 14 : 1059
   Google Scholar
• von Reimlinger , H. , Vanderwalle , J. J.M. and van Overstraeten , A. 1968 . Liebigs Ann. Chem. , 720 : 124
   Google Scholar
• Hlasta , D. H. and Court , J. J. 1989 . Tetrahedron Lett. , 30 : 1773
   Web of Science ®Google Scholar
• Katritzky , A. R. , Rewcastle , G. W. and Fan , W. Q. 1988 . J. Org. Chem. , 53 : 5685
   Web of Science ®Google Scholar
• Morris , J. and Wishka , D. G. 1991 . J. Org. Chem. , 56 : 3549
   Google Scholar
• Buckle , D. R. and Rockell , C. J.M. 1982 . J. Chem. Soc. Perkin Trans. I , : 627
   Google Scholar
• Greene , T. W. and Wuts , P. G.M. 1990 . Protective Groups in Organic Chemistry , pp 53 – 56 . New York : J. Wiley & Sons . 2nd ed.
   Google Scholar
• Bredereck , H. , Sell , R. and Effenberger , F. 1964 . Chem. Ber. , 97 : 3407
   Google Scholar
• Gundermann , K. D. and Thomas , R. 1960 . Chem. Ber. , 93 : 883
   Google Scholar
• Gompper , R. and Sobotta , R. 1979 . Synthesis , : 385
   Google Scholar
• Sabate-Alduy , C. and Bastide , J. 1972 . Bull. Soc. Chim. Fr. , 7 : 2764
   Google Scholar
• Huisgen , R. , Koszinowski , J. , Ohta , A. and Schiffer , R. 1980 . Angew. Chem. Int. Ed. Engl. , 19 : 202
   Google Scholar
• Katritzky , A. R. , Lue , P. and Akutagawa , K. 1989 . Tetrahedron , 45 : 4253
   Google Scholar