333 results on '"SPECKAMP, W. N."'
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152. ChemInform Abstract: NEW TOTAL SYNTHESIS OF DL-PHYSOSTIGMINE (DL-ESERINE) VIA REGIOSELECTIVE SODIUM BOROHYDRIDE REDUCTION OF IMIDES
153. ChemInform Abstract: 3-AZANORADAMANTANES
154. Recent developments in alkaloid synthesis
155. ChemInform Abstract: STEREOSELECTIVE OLEFIN CYCLIZATIONS OF TERT‐α‐ACYLIMINIUM IONS
156. ChemInform Abstract: DIASTEREOSELECTIVE CYCLIZATIONS OF CHIRAL α-ACYLIMINIUM IONS
157. ChemInform Abstract: STEREO‐ AND ENANTIOSELECTIVE SYNTHESES OF 2,3‐DIHYDROINDOLE DERIVATIVES
158. ChemInform Abstract: α‐ACYLIMINIUM ION SYNTHESIS OF ELAEOKANINE B
159. Indole [3,2 gjindolizidines via Sodium Borohydride Reduction of Indolic Imides
160. ChemInform Abstract: 2‐(ARYLIMINO)IMIDAZOLIDINES, SYNTHESIS AND HYPOTENSIVE ACTIVITY
161. ChemInform Abstract: Ω-ALKOXY LACTAMS AS DIPOLAR SYNTHONS. SILICON-ASSISTED SYNTHESIS OF AZABICYCLES AND A Γ-AMINO ACID
162. ChemInform Abstract: 2-Azonia-Cope Rearrangement in N-Acyliminium Cyclizations.
163. ChemInform Abstract: UNPRECEDENTED REARRANGEMENTS VIA ALLENES AS Π‐PARTICIPANTS IN α‐ACYLIMINIUM ION CYCLIZATIONS
164. ChemInform Abstract: FREE RADICAL HALOGENATION OF CAGE AMINES. EFFICIENT PHOTOCHEMICAL SYNTHESIS OF 2‐CHLOROQUINUCLIDINE
165. ChemInform Abstract: BIOMIMETIC HETEROCYCLIZATION OF ARYL OLEFINS. ONE‐STEP FORMATION OF TWO CARBON‐CARBON BONDS
166. ChemInform Abstract: Intramolecular Reactions of 2-Propynylsilanes with N-Acyliminium Ions. Cuprate SN2′-Reactions of the Allenic Products as a Route to trans-Fused Carbobicycles.
167. ChemInform Abstract: DIRECTING AND STABILIZING EFFECTS OF SUBSTITUTED ACETYLENES IN HETEROCYCLIZATION. EFFICIENT SYNTHESIS OF PYRROLIZIDINE ALKALOIDS
168. ChemInform Abstract: Synthesis of Oxacyclic Carboxylic Esters by Way of Methoxycarbonyloxonium Ions. Evidence for a Cationic Oxa-Cope Rearrangement.
169. ChemInform Abstract: EFFICIENT HETEROCYCLIZATION VIA 2‐AZA‐COPE REARRANGEMENTS OF α‐ACYLIMINIUM INTERMEDIATES. FORMATION OF PYRROLIZIDINES AND SOME THIA‐ANALOGS
170. ChemInform Abstract: OLEFIN CYCLIZATIONS OF HINDERED α‐ACYLIMINIUM IONS
171. ChemInform Abstract: BIOMIMETIC α-ACYLIMMONIUM CYCLIZATIONS OF UNACTIVATED OLEFINS
172. ChemInform Abstract: THIA‐ACYLIMINIUM OLEFIN CYCLIZATIONS
173. ChemInform Abstract: Stereocontrolled Formation of 1,2-Dihydroindoles.
174. ChemInform Abstract: Mitomycin Analogs. Part 1. Indoloquinones as (Potential) Bisalkylating Agents.
175. ChemInform Abstract: FUNKTIONELL SUBSTITUIERTE PIPERIDINE UEBER EINE HETEROCYCLOADDITION
176. ChemInform Abstract: EINE NEUE 1,4-ARYLRADIKAL-UMLAGERUNG
177. ChemInform Abstract: 2+4-CYCLOADDITION VON N-CHLORSULFONYLISOCYANAT AN EIN VINYLDIHYDRONAPHTHALIN
178. ChemInform Abstract: ZWEIFACHE FRAGMENTIERUNG VON THIACHROMANONEN-(4) BEI DER BEHANDLUNG MIT SCHWEFEL-YLIDEN, BLDG. VON THIANAPHTHENEN
179. ChemInform Abstract: ON THE NATURE OF SIGMA-COUPLED TRANSITIONS PART 5, THROUGH-BOND INTERACTIONS IN 1-AZA-ADAMANTANE DERIVATIVES
180. Heterocylic synthesis via 1‐amino‐3‐oxo‐1‐cyclohexene
181. ChemInform Abstract: HETEROCYCLISCHE STEROIDE 25. MITT. TOTALSYNTH. VON MODIFIZIERTEN 6‐THIA‐OESTROGENEN
182. ChemInform Abstract: HETEROCYCLISCHE STEROIDE 24. MITT. ASYMMETRISCHE SYNTH. VON OPTISCH AKTIVEN 6-THIA-OESTROGENEN
183. Non-symmetrical isothianaphthenes
184. ChemInform Abstract: DARST. VON 3‐AZA‐BICYCLO(3,3,1)NONANEN
185. ChemInform Abstract: UNSYMMETRISCHE ISOTHIANAPTHENE
186. ChemInform Abstract: PHOTO-BROMIERUNG VON 4,4-DIMETHYL-DELTA(5)-STEROIDEN
187. ChemInform Abstract: ADDITION VON DIAETHYL-2-BROM-MESACONAT AN N-TOSYL-PIPERIDON-ENAMIN
188. ChemInform Abstract: HETEROCYCLISCHE STEROIDE 23. MITT. SYNTH. VON HETEROCYCLEN UEBER 1-AMINO-3-OXO-CYCLOHEXEN-(1)
189. ChemInform Abstract: BRUECKENSTICKSTOFF‐HETEROCYCLEN UEBER IMIDRED.
190. Total synthesis of aza‐steroids I: d,l‐N‐Tosyl‐6‐aza‐8,14‐bisdehydroestrone methyl ether and d,l‐N‐tosyl‐6‐aza‐8,14‐bisdehydro‐D‐homoestrone methyl ether
191. ChemInform Abstract: HETEROCYCLISCHE STEROIDE 17. MITT. TOTALSYNTH. VON 6‐THIA‐OESTROGENEN
192. ChemInform Abstract: EINE NEUARTIGE REDUKTIVE CYCLISIERUNG VON IMIDEN
193. Synthesis of 3-aza-bicyclo[3,3,1]nonanes
194. Photo-bromination of 4,4-dimethyl-Δ5-steroids
195. ChemInform Abstract: SYNTH. VON SUBSTITUIERTEN 3‐AZA‐BICYCLO(3,3,1)NONANEN
196. ChemInform Abstract: 1-AZA-ADAMANTANE
197. ChemInform Abstract: GERUEST-UMLAGERUNG VON 4,4-DIMETHYL-DELTA(5,8(9))-STEROID-AZOESTER-ADDUKTEN
198. ChemInform Abstract: DIE MOLEKUELSTRUKTUR EINES 6‐THIA‐OESTROGENS
199. ChemInform Abstract: ANOMALE SPIRO- UND AROMATISIERTE 6-THIAOESTROGENE
200. Dihydroquinolones II
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