Index Catalog // ScholarsArchive@OSU

Cyclization of olefinic β-ketoesters. An approach to the synthesis of aplysistatin

Creator:: Skeean, Richard William
Resource Type:: Dissertation
Full Text:: spectrum showed a strong hydroxyl band at 3500 cm -1 , and a pair of bands at 1670 and 1750 cm 1. The

Approaches to the synthesis of penicillin

Creator:: Furuta, Takuya
Abstract:: Several approaches to the synthesis of penicillin from 2-iminothioazolidine 50, from 2-thiothiazolidine 66 and by photocyclization of 77 and 78 were investigated. 2-Iminothiazolidine 50 was prepared from dibromoester 45 by the action of benzylamine followed by treatment of aziridine 46 with potassium or ammonium thiocyanate. Attempted introduction of a two-carbon...
Resource Type:: Dissertation
Full Text:: absorption at 1750-1650 cm-1 ) and nmr spectra (CH 3 -C-0, triplet, at 6 1. 31; CH3 C ONH 2 CH2O H+ CH3

Part I. The total synthesis of (±)-cinnamodial and related drimane sesquiterpenes; Part II. Photochemical activation of the carboxyl group via N-Acyl-2-thionothiazolidines

Creator:: Burton, Lester Percy Joseph
Resource Type:: Dissertation

The synthesis of trisporic acids

Creator:: Prisbylla, Michael Paul
Abstract:: A total synthesis of the fungal hormones, trisporic acids A and B, is described, starting from a -methyltetronic acid 34. A Robinson annelation of 34 with ethyl vinyl ketone affords the lactone 33. Treatment of 33 with N-bromosuccinimide gave 97, which was hydrolyzed to the lactol 103. The reaction of...
Resource Type:: Dissertation
Full Text:: was re- moved to give 23. 80 g (98%) of 35: by 96-100° C (0. 05 mm); IR (film) 1800, 1750, 1705 cm-1

Approaches toward synthesis of the mycosporins

Creator:: Cammack, Janice H.
Abstract:: The mycosporins, formerly called P310's are secondary metabolites of fungi closely associated with fungal reproductive processes that require light. The structurally related iminomycosporins are found in marine plants and animals and may also have functions related to light. In this study, approaches toward the asymmetric synthesis of the mycosporins are...
Resource Type:: Dissertation

Approaches to the synthesis of trichothecane sesquiterpenes

Creator:: Thomas, James Anthony
Resource Type:: Dissertation

Synthesis of metabolites from the ascomycetes : I. The synthesis and absolute configuration of leptosphaerin : II. Approaches to the synthesis of byssochlamic acid

Creator:: Pallenberg, Alexander J.
Abstract:: Part I. The total synthesis of (+)-leptosphaerin (2), a metabolite of the marine Ascomycete Leptosphaeria Oraemaris (Linder) was achieved, unambiguously establishing both the relative and absolute stereochemistry of this natural product. This synthesis also resolved the long-standing question of which of the isomeric structures 1 or 2 correctly represents the...
Resource Type:: Dissertation

Approaches to the synthesis of methymycin

Creator:: Raghavan, Palaykotai Rajagopalan
Abstract:: Several approaches to the synthesis of methymycin were investigated. Segment A (39), containing functionality corresponding to C-9, 10, and 11 of methynolide was made in six steps from propionaldehyde in an overall yield of 37%. Oxidation of 34 with silver nitrate gave 35 which, upon hydroxylation with hydrogen peroxide, gave...
Resource Type:: Dissertation

Approaches to the total synthesis of verrucarol

Creator:: Hill, David E. (David Edwin) 1954-
Abstract:: Verrucarol is the sesquiterpene portion of a number of macrocyclic di- and triesters of potential medicinal importance. In this study, a novel approach to the synthesis of this fungal metabolite is presented. An A-B-C route was investigated in which C-3 and C-4 of the C-ring were emplaced using a [2+2]...
Resource Type:: Dissertation

The total synthesis of (-)- acorenone B ; Approaches to the synthesis of mycosporin (P 310)

Creator:: Ruppert, John Fredrick
Resource Type:: Dissertation

ScholarsArchive@OSU

Cyclization of olefinic β-ketoesters. An approach to the synthesis of aplysistatin

Approaches to the synthesis of penicillin

Part I. The total synthesis of (±)-cinnamodial and related drimane sesquiterpenes; Part II. Photochemical activation of the carboxyl group via N-Acyl-2-thionothiazolidines

The synthesis of trisporic acids

Approaches toward synthesis of the mycosporins

Approaches to the synthesis of trichothecane sesquiterpenes

Synthesis of metabolites from the ascomycetes : I. The synthesis and absolute configuration of leptosphaerin : II. Approaches to the synthesis of byssochlamic acid

Approaches to the synthesis of methymycin

Approaches to the total synthesis of verrucarol

The total synthesis of (-)- acorenone B ; Approaches to the synthesis of mycosporin (P 310)

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Date

Decade

Degree Field

Degree Level

Degree Name

Language

License

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search