Complete Publications
“Unified, Biosynthesis-Inspired, Completely Stereocontrolled Total Synthesis of All Highest-Order [n + 1] Oligocyclotryptamine Alkaloids.” Scott, T. Z. and Movassaghi, M. J. Am. Chem. Soc. 2024, 146, 23574–23581.
“Molecular Dynamics Simulations Guide Chimeragenesis and Engineered Control of Chemoselectivity in Diketopiperazine Dimerases.” Shende, V. V.; Harris, N. R.; Sanders, J. N.; Newmister, S. A.; Khatri, Y.; Movassaghi, M.; Houk. K. N.; Sherman, D. H. Angew. Chem. Int. Ed. 2023, 62, e202210254.
Walker, K. L.; Loach, R. P.; Movassaghi, M. “Total Synthesis of Complex 2,5-Diketopiperazine Alkaloids.” In The Alkaloids: Chemistry and Biology, Knölker, H.-J., Ed.; Academic Press: Cambridge 2023; Ch. 3, pp. 159-206.
“Total Synthesis of (-)-Voacinol and (-)-Voacandimine C.” Flynn, K. M.; Myeong, I.-S.; Pinto, T.; Movassaghi, M. J. Am. Chem. Soc. 2022, 144, 9126–9131.
“Total Synthesis and Stereochemical Assignment of (–)-Psychotridine.” Scott, T. Z.; Armelin, V. F.; Movassaghi, M. Org. Lett. 2022, 24, 2160–2164.
“Total Synthesis of Himastatin.” D’Angelo, K.; Schissel, C.; Pentelute, B.; Movassaghi, M. Science 2022, 375, 894–899.
“Directed Palladium Catalyzed Acetoxylation of Indolines. Total Synthesis of N-Benzoyl-cylindrocarine.” Flynn, K. M.; While, K. L.; Movassaghi, M. J. Org. Chem. 2022, 87, 2975–2984.
“Synthesis of (–)-Kopsifoline A and (+)-Kopsifoline E.” Myeong, I.-S., Avci, N. H.; Movassaghi, M. Org. Lett. 2021, 23, 9118–9122.
“Chemoselective α-Sulfidation of Amides Using Sulfoxide Reagents.” Leypold, M.; D’ Angelo, K. D.; Movassaghi, M.; Org. Lett. 2020, In Press.
“Structure and Function of NzeB, a Versatile C–C and C–N Bond Forming Diketopiperazine Dimerase.” Shende, V. V.; Khatray, Y.; Newmister, S. A.; Sanders, J.; Lindovska, P.; Yu, F.; Doyon, T.; Houk. K. N.; Movassaghi, M.; Sherman, D. H. J. Am. Chem. Soc. 2020,142, 17413–17424.
“n→π* Interactions modulate the disulfide reduction potential of epidithiodiketopiperazines.” Kilgore, H. R.; Olsson, C. R.; D’Angelo, K. A.; Movassaghi, M.; Raines, R. T. J. Am. Chem. Soc. 2020,142, 15107–15115.
“Synthesis of Potent Cytotoxic Epidithiodiketopiperazines Designed for Derivatization.” Olsson, C. R.; Payette, J. N.; Cheah, J. H.; Movassaghi, M. J. Org. Chem. 2020, 85, 4648-4662.
“Total Synthesis and Anti-Cancer Activity of All Known Communesin Alkaloids and Related Derivatives.” Pompeo, M. M.; Cheah, J. H.; Movassaghi, M. J. Am. Chem. Soc. 2019, 141, 14411-14420.
“Mechanism of Permanganate Promoted Dihydroxylation of Complex Diketopiperazines: Critical Roles of Counter-Cation and Ion-Pairing.” Haines, B. E.; Nelson, B. M.; Grandner, J. M; Kim, J.; Houk, K. N; Movassaghi, M.; Musaev, D. G. J. Am. Chem. Soc. 2018, 140 (41), 13375–13386.
“Enantioselective Synthesis of (-)-Vallesine: Late-Stage C17-Oxidation via Complex Indole Boronation.” Antropow, A. H.; Garcia, N. R.; White, K.; Movassaghi, M. Org. Lett. 2018 , 20 , 3647-3650.
“Concise Total Synthesis of (+)-Asperazine A and (+)-Pestalazine B.” Nelson, B. M.; Loach, R. P.; Schiesser, S.; Movassaghi, M. Org. Biomol. Chem. 2018, 16, 202-207.
“Synthesis of Antibiotics and Related Molecules. ” Movassaghi, M. van der Donk, W. A. J. Org. Chem. 2018 , 83 , 6826–6828.
“Biogenetic Considerations. ” Movassaghi, M. Tetrahedron 2018 , 74 , 5583.
“Concise Synthesis of (–)-Hodgkinsine, (–)-Calycosidine, (–)-Hodgkinsine B, (–)-Quadrigemine C, and (–)-Psycholeine via Convergent and Directed Modular Assembly of Cyclotryptamines.” Lindovska, P.; Movassaghi, M. J. Am. Chem. Soc. 2017, 139, 17590-17596.
“Quantitative Modeling of Bis(pyridine)silver (I) Permanganate Oxidation of Hydantoin Derivatives: Guidelines for Predicting the Site of Oxidation in Complex Substrates.” Bischoff, A. J.; Nelson, B. M.; Niemeyer, Z. L.; Sigman, M. S.; Movassaghi, M. J. Am. Chem. Soc. 2017, 139, 15539-15547.
“Enantioselective Total Synthesis of (–)-Deoxoapodine.” Kang, T.; White, K. L.; Mann, T. J.; Hoveyda, A. H.; Movassaghi, M. Angew. Chem. Int. Ed. 2017, 56, 13857.
“Synthesis and Evaluation of Agelastatin Derivatives as Potent Modulators for Cancer Invasion and Metastasis.” Antropow, A. H.; Xu, K.; Buchsbaum, R. J.; Movassaghi, M. J. Org. Chem. 2017, 82, 7720-7731.
“Concise Total Syntheses of (+)-Haplocidine and (+)-Haplocine Via Late-Stage Oxidation of (+)-Fendleridine Derivatives.” White, K. L.; Movassaghi, M. J. Am. Chem. Soc. 2016, 138, 11383-11389.
“Convergent and Biomimetic Enantioselective Total Synthesis of (-)-Communesin F.” Lathrop, S. P.; Pompeo, M.; Chang, W.-T. T.; Movassaghi, M. J. Am. Chem. Soc. 2016, 138, 7763-7769.
“Concise Total Synthesis of (+)-Asperazine, (+)-Pestalazine A, and (+)-iso-Pestalazine A. Structure Revision of (+)-Pestalazine A.” Loach, R. P.; Fenton, O. S.; Movassaghi, M. J. Am. Chem. Soc. 2016, 138, 1057-1064.
“The fibroblast Tiam1-osteopontin pathway modulates breast cancer invasion and metastasis.” Xu, K.; Tian, X.; Oh, S. Y.; Movassaghi, M.; Naber, S. P.; Kuperwasser, C.; Buchsbaum, R. J. Breast Cancer Res. 2016, 18, 14.
“Direct C7 Functionalization of Tryptophan. Synthesis of Methyl (S)-2-((tert-Butoxycarbonyl)amino)-3-(7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-3-yl)propanoate.” Amaike, K.; Loach, R. P.; Movassaghi, M. Org. Synth. 2015, 92, 373-385.
“Concise Total Synthesis of (+)-Luteoalbusins A and B.” Adams, T. C.; Payette, J. N.; Cheah, J. H.; Movassaghi, M. Org. Lett. 2015, 17, 4268-4271.
“Direct Observations of Intermediates Involved in the Bischler-Napieralski Reaction.” White, K. L.; Mewald, M.; Movassaghi, M. J. Org. Chem. 2015, 80, 7403-7411.
“Electrophilic carbonyl activation: competing condensative cyclizations of tryptamine derivatives.” Liu, F.; Movassaghi, M. Tetrahedron Lett. 2015 (Memorial Symposium for Prof. H. H. Wasserman), 56, 2995-3000.
“Biogenetically-Inspired Total Synthesis of Epidithiodiketopiperazines and Related Alkaloids.” Kim, J.; Movassaghi, M. Acc. Chem. Res. 2015, 48, 1159-1171.
“C7-Derivatization of 3-Alkylindoles Including Tryptophans and Tryptamines.” Loach, R. P.; Fenton, O. S.; Amaike, K.; Siegel, D. S.; Ozkal, E.; Movassaghi, M. J. Org. Chem. 2014, 79, 11254-11263.
“Concise and Enantioselective Total Synthesis of (−)-Mehranine, (−)-Methylenebismehranine, and Related Aspidosperma Alkaloids.” Mewald, M.; Medley, J. W.; Movassaghi, M. Angew. Chem. Int. Ed. 2014, 53, 11634-11639.
“Pd(II)-Catalyzed meta-C–H Olefination, Arylation, and Acetoxylation of Indolines Using a U-Shaped Template.” Yang, G.; Lindovska, P.; Zhu, D.; Kim, J.; Wang, P.; Tang, R.-Y.; Movassaghi, M.; Yu, J.-Q. J. Am. Chem. Soc. 2014, 136, 10807-10813.
“Total Synthesis, Stereochemical Assignment, and Biological Activity of All Known (-)-Trigonoliimines.” Han, S.; Morrison, K. C.; Hergenrother, P. J.; Movassaghi, M. J. Org. Chem. 2014, 79, 473-486.
“Application of Diazene-Directed Fragment Assembly to the Total Synthesis and Stereochemical Assignment of (+)-Desmethyl-meso-chimonanthine and Related Heterodimeric Alkaloids ” Lathrop, S. P.; Movassaghi, M. Chem. Sci. 2014, 5, 333-340.
“(+)-11,11′-Dideoxyverticillin A”. Kim, J.; Movassaghi, M., In Total Synthesis of Natural Products, Li, J. J.; Corey, E. J., Ed.; Springer-Verlag: Berlin Heidelberg, (2013); p 211.
“Synthesis and Anticancer Activity of all known (-)-Agelastatin Alkaloids.” Han, S.; Siegel, D. S.; Morrison, K. C.; Hergenrother, P. J.; Movassaghi, M. J. Org. Chem. 2013, 78, 11970-11984.
“Synthesis of Spirocyclic Indolines by Interruption of the Bischler-Napieralski Reaction” Medley, J. W.; Movassaghi, M. Org. Lett. 2013, 15, 3614-3617.
“Concise Total Synthesis of (+)-Bionectins A and C” Coste, A.; Kim, J.; Adams, T. C.; Movassaghi, M. Chem. Sci. 2013, 4, 3191-3197.
“Synthesis and Anticancer Activity of Epipolythiodiketopiperazine Alkaloids ” Boyer, N.; Morrison, K. C.; Kim, J.; Hergenrother, P. J.; Movassaghi, M. Chem. Sci. 2013, 4, 1646-1657.
“Robinson’s Landmark Synthesis of Tropinone ” Medley, J. W.; Movassaghi, M. Chem. Commun. 2013, 49, 10775-10777.
“Total Synthesis of All (–)-Agelastatin Alkaloids”. Movassaghi, M.; Han, S., In Asymmetric Synthesis–The Essentials 2, Christmann, M, Bräse, S., Eds.; Wiley-VCH, (2012), pp 391-396.
“C–N Bond-Forming Reactions of Heteroarenes.” Ahmad, O. K.; Movassaghi, M., In Science of Synthesis: Cross-Coupling and Heck-Type Reactions, Wolfe, J. P., Ed.; Thieme: Stuttgart, (2012); Vol. 2, pp 195-214.
“Direct Synthesis of Azaheterocycles from N-Aryl/Vinyl Amides. Synthesis of 4-(Methylthio)-2-phenylquinazoline and 4-(4-Methoxyphenyl)-2-phenylquinoline.” Ahmad, O. K.; Medley, J. W.; Coste, A.; Movassaghi, M. Org. Synth. 2012, 89, 549-561.
“Concise Total Synthesis of (+)-Gliocladins B and C.” Boyer, N.; Movassaghi, M. Chem. Sci. 2012, 3, 1798-1803.
“Lithiation and Electrophilic Substitution of Dimethyl Triazones.” Han, S.; Siegel, D. S.; Movassaghi, M. Tetrahedron Lett. 2012, 53, 3722-3723.
“Radical Mediated Dimerization and Oxidation Reactions for the Synthesis of Complex Alkaloids.” Lathrop, S. P.; Kim, J.; Movassaghi, M. Chimia 2012, 66, 389-393.
“A Concise and Versatile Double-Cyclization Strategy for the Highly Stereoselective Synthesis and Arylative Dimerization of Aspidosperma Alkaloids.” Medley, J. W.; Movassaghi, M. Angew. Chem. Int. Ed. 2012, 51, 4572-4576.
“Preparation of IPNBSH and its Use in the Pd-Catalyzed Synthesis of Monoalkyl Diazenes. Synthesis of 9-Allylanthracene.” Willwacher, J.; Ahmad, O. K.; Movassaghi, M. Org. Synth. 2012, 89, 230-242.
“Concise Total Synthesis and Stereochemical Revision of (+)-Naseseazines A and B: Regioselective Arylative Dimerization of Diketopiperazine Alkaloids.” Kim, J.; Movassaghi, M. J. Am. Chem. Soc. 2011, 133, 14940-14943.
“Directed Heterodimerization: Stereocontrolled Assembly via Solvent-Caged Unsymmetrical Diazene Fragmentation.” Movassaghi, M.; Ahmad, O. K.; Lathrop, S. P. J. Am. Chem. Soc. 2011, 133, 13002-13005.
“Concise Total Synthesis and Stereochemical Revision of all (-)-Trigonoliimines.” Han, S.; Movassaghi, M. J. Am. Chem. Soc. 2011, 133, 10768-10771.
“Chemoselective and Enantioselective Oxidation of Indoles Employing Aspartyl Peptide Catalysts.” Kolundzic, F.; Noshi, M. N.; Tjandra, M.; Movassaghi, M.; Miller, S. J. J. Am. Chem. Soc. 2011, 133, 9104-9111.
“General Approach to Epipolythiodiketopiperazine Alkaloids: Total Synthesis of (+)-Chaetocins A and C and (+)-12,12′-Dideoxychetracin A.” Kim, J.; Movassaghi, M. J. Am. Chem. Soc. 2010, 132, 14376-14378.
“Total Synthesis of All (–)-Agelastatin Alkaloids.” Movassaghi, M.; Siegel, D. S.; Han, S. Chemical Science 2010, 1, 561-566.
“Dimerization of Functional Pyrroloindolizines for the Synthesis of Complex Myrmicarin Alkaloids.” Ondrus, A. E.; Kaniskan, H. U.; Movassaghi, M. Tetrahedron 2010, 66, 4784-4795.
“Total Synthesis of (–)-Himandrine.” Movassaghi, M.; Tjandra, M.; Qi, J. J. Am. Chem. Soc. 2009, 131, 9648-9650.
“Total Synthesis of (+)-11,11′-Dideoxyverticillin A.” Kim, J.; Ashenhurst, J. A.; Movassaghi, M. Science 2009, 324, 238-241.
“Reversible Dimerization of (+)-Myrmicarin 215B.” Ondrus, A. E.; Movassaghi, M. Org. Lett. 2009, 11, 2960-2963.
“Biogenetically Inspired Syntheses of Alkaloid Natural Products.” Kim, J.; Movassaghi, M. Chem. Soc. Rev. 2009, 38, 3035-3050.
“Enantioselective Total Synthesis of (–)-Acylfulvene and (–)-Irofulven.” Siegel, D. S.; Piizzi, G.; Piersanti, G.; Movassaghi, M. J. Org. Chem. 2009, 74, 9292-9304.
“Total synthesis and study of myrmicarin alkaloids.” Ondrus, A. E.; Movassaghi, M. Chem. Commun. 2009, 4151-4165.
“Synthesis of Densely Substituted Pyrimidine Derivatives.” Ahmad, O. K.; Hill, M. D.; Movassaghi, M. J. Org. Chem. 2009, 74, 8460-8463.
“Direct Dehydrative N-Pyridinylation of Amides” Medley, J. W.; Movassaghi, M. J. Org. Chem. 2009, 74, 1341-1344.
“Observations in the Synthesis of the Core of the Antitumor Illudins via an Enyne Ring Closing Metathesis Cascade.” Movassaghi, M.; Piizzi, G.; Siegel, D. S.; Piersanti, G. Tetrahedron Lett. 2009, 50, 5489-5492.
“Stereospecific Palladium-Catalyzed Entry to Monoalkyl Diazenes for Mild Allylic Reduction.” Movassaghi, M.; Ahmad, O. K. Angew. Chem. Int. Ed. 2008, 47, 8909-8912.
“Concise Total Synthesis of (+)-WIN 64821 and (–)-Ditryptophenaline.” Movassaghi, M.; Schmidt, M. A.; Ashenhurst, J. A. Angew. Chem. Int. Ed. 2008, 47, 1485-1487.
“Stereoselective Oxidative Rearrangement of 2-Aryl Tryptamine Derivatives.” Movassaghi, M.; Schmidt, M. A.; Ashenhurst, J. A. Org. Lett. 2008, 10, 4009-4012.
“Poly(ADP-ribose) Polymerase-1 Activity Facilitates the Dissociation of Nuclear Proteins from Platinum-Modified DNA.” Guggenheim, E. R.; Ondrus, A. E.; Movassaghi, M.; Lippard, S. J. Bioorg. Med. Chem. 2008, 16, 10121-10128.
“A Versatile Cyclodehydration Reaction for the Synthesis of Isoquinoline and Beta-Carboline Derivatives.” Movassaghi, M.; Hill, Matthew D. Org. Lett. 2008, 10, 3485-3488.
“New Strategies for the Synthesis of Hexahydropyrroloindole Alkaloids Inspired by Biosynthetic Hypotheses.” Schmidt, M. A.; Movassaghi, M. Synlett-(account) 2008, 313-324.
“Single-Step Synthesis of Alkynyl Imines from N-Vinyl and N-Aryl Amides. Synthesis of Phenyl-[1-phenyl-3-(trimethyl-silanyl)-prop-2-ynylidene]-amine.” Movassaghi, M.; Hill, M. D. Organic Syntheses 2008, 85, 88-95.
“New Strategies for the Synthesis of Pyrimidine Derivatives.” Hill, M. D.; Movassaghi, M. Chem. Eur. J. 2008, 14, 6836-6844.
“On the Interactions of N,N’-Bismesityl-imidazolin-2-yl and Alcohols.” Schmidt, M. A.; Movassaghi, M. Tetrahedron Lett. 2008, 49, 4316-4318.
“Observations on the Use of Microwave Irradiation in Azaheterocycle Synthesis.” Hill, M. D.; Movassaghi, M. Tetrahedron Lett. 2008, 49, 4286-4288.
“Benzenesulfonic Acid, 2-Nitro-(1-Methylethylidene)hydrazide.” Movassaghi M., Ahmad, O. K. e–Encyclopedia of Reagents for Organic Synthesis 2008.
“Direct Synthesis of Substituted Pyrimidines and Quinazolines.” Hill, M. D.; Movassaghi, M. Synthesis 2008, 823-827.
“Efficient and Stereoselective Dimerization of Pyrroloindolizine Derivatives Inspired by a Hypothesis for the Biosynthesis of Complex Myrmicarin Alkaloids.” Movassaghi, M.; Ondrus, A. E.; Chen, B. J. Org. Chem. 2007, 72, 10065-10074.
“Direct Synthesis of Pyridine Derivatives.” Movassaghi, M.; Hill, M. D.; Ahmad, O. K. J. Am. Chem. Soc. 2007, 129, 10096-10097.
“Synthesis of pyrimidines by direct condensation of amides and nitriles.” Movassaghi, M.; Hill, M. D. Nature Protocols 2007, 2, 2018-2023.
“Concise Total Synthesis of (–)-Calycanthine, (+)-Chimonanthine, and (+)-Folicanthine.” Movassaghi, M.; Schmidt, M. A. Angew. Chem. Int. Ed. 2007, 46, 3725-3728.
“N-Isopropylidene-N‘-2-nitrobenzenesulfonyl Hydrazine, a Reagent for Reduction of Alcohols via the Corresponding Monoalkyl Diazenes.”” Movassaghi, M.; Ahmad, O. K. J. Org Chem. 2007, 72, 1838-1841.
“Highly Stereoselective Intermolecular Formal [3+3] Cycloaddition Reaction of Cyclic Enamines and Enones.” Movassaghi, M.; Chen, B. Angew. Chem. Int. Ed. 2007, 46, 565-568.
“Synthesis of Optically Active Imidazopyridinium Salts and the Corresponding NHCs.” Schmidt, M. A.; Movassaghi, M. Tetrahedron Lett. 2007, 48, 101-104.
“Synthesis of Substituted Pyridines and Quinolines.” Hill, M. D.; Movassaghi, M. Synthesis 2007, 1115–1119.
“Single-Step Synthesis of Pyrimidine Derivatives.” Movassaghi, M.; Hill, M. D. J. Am. Chem. Soc. 2006, 128, 14254-14255.
“Total Synthesis and Absolute Stereochemical Assignment of (+)- and (–)-Galbulimima Alkaloid 13.” Movassaghi, M.; Hunt, D. K.; Tjandra, M. J. Am. Chem. Soc. 2006, 128, 8126-8127.
“Enantioselective Total Synthesis of (–)-Acylfulvene and (–)-Irofulven.” Movassaghi, M.; Piizzi, G.; Siegel, D. S.; Piersanti, G. Angew. Chem. Int. Ed. 2006, 45, 5859 –5863.
“Synthesis of Substituted Pyridine Derivatives via the Ruthenium–Catalyzed Cycloisomerization of 3-Azadienynes.” Movassaghi, M.; Hill, M. D. J. Am. Chem. Soc. 2006, 128, 4592-4593.
“Dimerization of (+)-myrmicarin 215B. A potential biomimetic approach to complex myrmicarin alkaloids.” Ondrus, A. E.; Movassaghi, M. Tetrahedron, 2006, 62, 5287-5297.
“Enantioselective Total Synthesis of Tricyclic Myrmicarin Alkaloids.” Movassaghi, M.; Ondrus, A. E. Org. Lett. 2005, 7, 4423-3326.
“Palladium Catalyzed Synthesis of N-Vinyl Pyrroles and Indoles.” Movassaghi, M.; Ondrus, A. E. J. Org. Chem. 2005, 7, 8638-8641.
“N-Heterocyclic Carbene-Catalyzed Amidation of Unactivated Esters with Amino Alcohols.” Movassaghi, M.; Schmidt, M. A. Org. Lett. 2005 , 7, 2453-2456.
“o-Nitrobenzenesulfonylhydrazide.” Myers, A. G.; Movassaghi M. e–Encyclopedia of Reagents for Organic Synthesis 2003.
“A Direct Method for the Conversion of Terminal Epoxides into ?-Butanolides.” Movassaghi, M.; Jacobsen; E. N. J. Am. Chem. Soc. 2002, 124, 2456-2457.
“The Simplest Enzyme.” Movassaghi, M.; Jacobsen, E. N. Science 2002, 298, 1904-1905.
“Synthesis of Highly Epimerizable N-Protected ?-Amino Aldehydes of High Enantiomeric Excess.” Myers, A. G.; Zhong, B.; Movassaghi, M.; Kung, D. W.; Lanman, B. A.; Kwon, S. Tetrahedron Lett. 2000, 41, 1359-1362.
“Synthesis of C-Protected α-Amino Aldehydes of High Enantiomeric Excess from Highly Epimerizable N-Protected ?-Amino Aldehdyes.” Myers, A. G.; Zhong, B.; Kung, D. W.; Movassaghi, M.; Lanman, B. A.; Kwon, S. Org. Lett. 2000, 2, 3337-3340.
“Preparation of Chiral, C-Protected ?-Amino Aldehydes of High Optical Purity and Their Use as Condensation Components in a Linear Synthesis Strategy.” Myers, A. G.; Kung, D. W.; Zhong, B.; Movassaghi, M.; Kwon, S. J. Am. Chem. Soc. 1999, 121, 8401-8402.
“Highly Efficient Methodology for the Reductive Coupling of Aldehyde Tosylhydrazones with Alkyllithium Reagents.” Myers, A. G.; Movassaghi, M. J. Am. Chem. Soc. 1998, 120, 8891-8892.
“Single-Step Process for the Reductive Deoxygenation of Unhindered Alcohols.” Myers, A. G.; Movassaghi, M.; Zheng, B. J. Am. Chem. Soc. 1997, 119, 8572-8573.
“Mechanistic Studies of the Free-Radical Fragmentation of Monoalkyl Diazenes.” Myers, A. G.; Movassaghi, M.; Zheng, B. Tetrahedron Lett. 1997, 38, 6569-6572.
“Preparation of the Reagent o-Nitrobenzenesulfonlylhydrazide.” Myers, A. G.; Zheng, B.; Movassaghi, M. J. Org. Chem. 1997, 62, 7507.