alpha-Metalated Isocyanides in Organic Synthesis.

D. Hoppe, Angew. Chem., Int. Ed. Engl., 1974, 13, 789.

Key Words:
C-C BOND FORMATION/APPENDAGES/ENOLATES/C-M(X)/Li(NC)



The Homoaldol Reaction, or How to Overcome Problems of Regio- and Stereoselectivity.

D. Hoppe, Angew. Chem., Int. Ed. Engl., 1984, 23, 932.

Key Words:
C-C BOND FORMATION/APPENDAGES/DIASTEREOGENIC REACTIONS/1,2-ADDITION/C=C-C-X/O-C=O(N)/METALATION/HOMOALDOL/C=C-X/O-C=O(N)



D. Hoppe, in Stereoselective Synthesis, Vol. E21b, 4th ed. (Eds.: G. Helmchen, R. W. Hoffmann, J. Mulzer, E. Schaumann), Georg Thieme Verlag, Stuttgart, 1995, pp. 1335.

Key Words:



Heteroatom-directed lithiations of chiral alkyl carbamates: A powerful tool for enantioselective synthesis.

D. Hoppe, H. Ahrens, W. Guarnieri, H. Helmke, S. Kolczewski, Pure Appl. Chem., 1996, 68, 613.

Key Words:
METALATED NITROGEN DERIVATIVES/SPARTEINE-ASSISTED DEPROTONATION/ORGANIC-SYNTHESIS/STEREOSELECTIVE GENERATION/ASYMMETRIC-SYNTHESIS/CARBONIC-ACID/CARBANIONS/REAGENTS/REARRANGEMENT/EQUIVALENTS



D. Hoppe, T. Eicher, H. Pielartzik, W. Rupilius, S. Linke, in Aldehydes, Vol. E3, 4th ed. (Ed.: J. Falbe), Georg Thieme Verlag, Stuttgart, 1983, pp. 350.

Key Words:



Enantioselective synthesis with lithium/(-)-sparteine carbanion pairs.

D. Hoppe, T. Hense, Angew. Chem., Int. Ed. Engl., 1997, 36, 2283.

Key Words:
asymmetric synthesis/chiral building blocks/lithium/(-)sparteine/CHIRAL ORGANOMETALLIC REAGENTS/DIPOLE-STABILIZED CARBANIONS/METALATED NITROGEN DERIVATIVES/SINGLE-ELECTRON-TRANSFER/LITHIUM AMIDE BASES/ASYMMETRIC-SELECTIVE POLYMERIZATION/ARENE TRICARBONYLCHROMIUM COMPLEXES/HIGHLY DIASTEREOSELECTIVE SYNTHESIS/SUBSTITUTED BENZYLLITHIUM COMPOUNDS/SPARTEINE-ASSISTED DEPROTONATION



Enantioselective Synthesis via Sparteine-Induced Asymmetric Deprotonation.

D. Hoppe, F. Hintze, P. Tebben, M. Paetow, H. Ahrens, J. Schwerdtfeger, P. Sommerfeld, J. Haller, W. Guarnieri, S. Kolczewski, T. Hense, I. Hoppe, Pure Appl. Chem., 1994, 66, 1479.

Key Words:



Metalated 2-alkenyl carbamates: chiral homoenolate reagents for asymmetric synthesis.

D. Hoppe, T. Kraemer, J. Schwark, O. Zschage, Pure Appl. Chem., 1990, 62, 1999.

Key Words:
C-C BOND FORMATION/APPENDAGES/1,2-ADDITION/ALKYLATION/DIASTEREOGENIC REACTIONS



D. Hoppe, W. R. Roush, E. J. Thomas, in Stereoselective Synthesis, Vol. E21b, 4th ed. (Eds.: G. Helmchen, R. W. Hoffmann, J. Mulzer, E. Schaumann), Georg Thieme Verlag, Stuttgart, 1995, pp. 1357.

Key Words:



Annonaceous acetogenins - Synthetic approaches towards a novel class of natural products.

R. Hoppe, H. D. Scharf, Synthesis, 1995, 1447.

Key Words:
ANNONACEOUS ACETOGENINS/ANNONA/TETRAHYDROFURAN/BUTYROLACTONE/BUTENOLIDE/NATURAL PRODUCT/FAST-ATOM-BOMBARDMENT/GAMMA-LACTONES/STEREOSELECTIVE SYNTHESIS/CYTOTOXIC ACETOGENINS/CHEMICAL-SHIFTS/2,5-LINKED BISTETRAHYDROFURANS/ABSOLUTE-CONFIGURATION/POLYETHER ANTIBIOTICS/BIOACTIVE ACETOGENIN/MASS-SPECTROMETRY