Siegfried E. Drewes - Concepedia

Author

Siegfried E. Drewes

University of KwaZulu-Natal

Also Known As

SIEGFRIED E. DREWES, Siegfried Drewes, Siegfried E Drewes, Siegfried E. DREWES, Siegfried E. Drewes, Siegfried.E Drewes

119

Publications

3.5K

Citations

H-Index

Concepts

All Affiliations

University of KwaZulu-Natal Umkhuseli Innovation and Research Management University of Pretoria South African National Parks

About

Siegfried E. Drewes is an author at University of KwaZulu-Natal specializing in organic chemistry, chemistry, and natural sciences.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Natural Sciences	21	31	939
2	Biochemistry	18	27	790
3	Engineering	17	25	1.4K
4	Medicine	12	14	405
5	Social Sciences	1	1	17

Siegfried E. Drewes

Publications

3.1K

Citations

H-Index

Page 1

	Year	Citations
Synthetic potential of the tertiary-amine-catalysed reaction of activated vinyl carbanions with aldehydes Siegfried E. Drewes, Gregory Roos Tetrahedron Chemical EngineeringEnantioselective SynthesisEngineeringNovel OrganocatalystsOrganic Chemistry	1988	677
An acylated phloroglucinol with antimicrobial properties from Helichrysum caespititium A.D.M. Mathekga, J.J.M. Meyer, Marion Hörn, Phytochemistry MicrobiologyAcylated PhloroglucinolBioorganic ChemistryAntimicrobial Compound	2000	110
Rate Enhancement Effects in the Dabco Catalysed Synthesis of Hydroxyalkenoate Esters Farouk Ameer, Siegfried E. Drewes, Susan D. Freese, Synthetic Communications EngineeringOrganic ChemistryChemistryChemical EngineeringAbstract Marked Acceleration	1988	107
Necic acid synthons. Part 1. Total synthesis of integerrinecic acid Siegfried E. Drewes, Neville D. Emslie Journal of the Chemical Society Perkin Transactions 1	1982	101
Isolation of hypoxoside from hypoxis rooperi and synthesis of (E)-1,5-bis(3′,4′-dimethoxyphenyl)pent-4-en-1-yne Siegfried E. Drewes, Alida J. Hall, Robin A. Learmonth, Phytochemistry Bioorganic ChemistryBiochemistryNatural SciencesOrganometallic ElectrochemistryOrganic Chemistry	1984	85
5,6-dihydro-α-pyrones and two bicyclic tetrahydro-α-pyrone derivatives from Cryptocarya latifolia Siegfried E. Drewes, Bethuel M. Sehlapelo, Marion Hörn, Phytochemistry Cryptocarya LatifoliaOrganic ChemistryChemistryDerivative (Chemistry)Synthetic Chemistry	1995	84
Intramolecular Baylis-Hillman Reaction: A Pathway to Substituted Coumarins Siegfried E. Drewes, Owen L. Njamela, Neville D. Emslie, Synthetic Communications Derivative (Chemistry)Bioorganic ChemistryBiochemistryNatural SciencesNovel Coumarin	1993	69
Pyrano-isoflavones with erectile-dysfunction activity from Eriosema kraussianum Siegfried E. Drewes, Marion Hörn, Orde Q. Munro, Phytochemistry Medicinal ChemistryEriosema KraussianumErectile DysfunctionMedicineSexual Dysfunction	2002	61
Simple 1,4-benzoquinones with antibacterial activity from stems and leaves of Gunnera perpensa Siegfried E. Drewes, Fatima Khan, Sandy van Vuuren, Phytochemistry MedicineAntibacterial ActivitySimple 1,4-BenzoquinonesAntibacterial AgentMicrobiology	2005	60
Synthesis of 3-Hydroxy-2-Methylene Carbonyl Compounds - Effect of Catalyst and Substrate on Reaction Rate Siegfried E. Drewes, Susan D. Freese, Neville D. Emslie, Synthetic Communications Reaction RateEngineeringAbstract 3-Hydroxyquinuclidine EnhancesOrganic Chemistry3-Hydroxy-2-methylene Carbonyl Compounds	1988	57

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