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1

Separation of opium alkaloids by thin-layer chromatography combined with flame ionization detection using the peak pyrolysis method

Nagaraj R. Ayyangar, Sujata S. Biswas, Amruta S. Tambe

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 328 KB

english, 1991

2

A CONVENIENT SYNTHESIS OF ETHYL α-CARBETHOXY-β-(ARYLAMINO) ACRYLATES AND RELATED COMPOUNDS

Ayyangar, Nagaraj R., Lahoti, Rajgopal J., Daniel, Thomas

Journal:

Organic Preparations and Procedures International

Year:

1982

Language:

english

File:

PDF, 196 KB

english, 1982

3

Crown ethers as stationary phases in gas chromatography : Comparison between dibenzo-18-crown-6, dibenzo-24-crown-8 and dicyclohexano-24-crown-8 with respect to polarity, selectivity and stability

Nagaraj R. Ayyangar, Amruta S. Tambe, Sujata S. Biswas

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 457 KB

english, 1991

4

Qualitative and quantitative determination of m-toluidine and its alkyl derivatives by gas-liquid chromatography on free fatty acid phases

Nagaraj R. Ayyangar, Sujata S. Biswas, Mangal D. Deo

Journal:

Journal of Chromatography A

Year:

1986

Language:

english

File:

PDF, 246 KB

english, 1986

5

A Convenient Synthesis of Spiro[4-n] dione and 2,2-Disubstituted Cyclopentane-1,3-dione System

Pandey, Bipin, Khire, Uday R., Ayyangar, Nagaraj R.

Journal:

Synthetic Communications

Year:

1989

Language:

english

File:

PDF, 217 KB

english, 1989

6

Photochemical rearrangement of α-chloro-propiophenones to α-arylpropanoic acids: studies on chirality transfer and synthesis of (S)-(+)-ibuprofen and (S)-(+)-ketoprofen

Harikisan R. Sonawane, Nanjundiah S. Bellur, Dilip G. Kulkarni, Nagaraj R. Ayyangar

Journal:

Year:

1994

Language:

english

File:

PDF, 1.29 MB

english, 1994

7

Hydroboration. XX. The Reactions of Diisopinocampheylborane with Representative 2-Methyl-1-alkenes-A Convenient Synthesis of Optically Active 2-methyl-1-alkanols

Zweifel, George., Ayyangar, Nagaraj R., Munekata, Takashi., Brown, Herbert C.

Journal:

Journal of the American Chemical Society

Year:

1964

Language:

english

File:

PDF, 553 KB

english, 1964

8

Corrigenda

Ayyangar, Nagaraj R., Bambal, Ramesh B., Lugade, Ananda G., Rosan, Alan M.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1981

File:

PDF, 41 KB

1981

9

A novel transacylation method for the synthesis of ?-N-acyl-?-lactones; application to (�)-diacetylobafluorin and (+)-SQ 26,517

Rao, M. Narayana, Holkar, Anil G., Ayyangar, Nagaraj R.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1991

Language:

english

File:

PDF, 200 KB

english, 1991

10

Evaluation of 4-(2′-phenylisopropyl)phenol esters as stationary phases for gas—liquid chromatography

Nagaraj R. Ayyangar, Amruta S. Tambe, Sujata S. Biswas

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 474 KB

english, 1989

11

Exceptionally stable phenyldichlorocarbenium ion as a Friedel-Crafts intermediate: a high-field multinuclear NMR study

Racherla, Uday S., Daniel, Thomas, Rajamohanan, P. R., Ayyangar, Nagaraj R.

Journal:

Journal of the American Chemical Society

Year:

1989

Language:

english

File:

PDF, 392 KB

english, 1989

12

New reactions of polyfluoroaromatic compounds. Pentafluorophenylalanine and tetrafluorotyrosine

Filler, Robert, Ayyangar, Nagaraj R., Gustowski, Wlodzimierz, Kang, Hyung H.

Journal:

Journal of Organic Chemistry

Year:

1969

Language:

english

File:

PDF, 706 KB

english, 1969

13

Hydroboration as a Means for the Assignment of Configurations to Alcohols and Olefins

Zweifel, George., Ayyangar, Nagaraj R., Brown, Herbert C.

Journal:

Journal of the American Chemical Society

Year:

1962

Language:

english

File:

PDF, 244 KB

english, 1962

14

Effect of substituents in the formation of diacetanilides

Ayyangar, Nagaraj R., Srinivasan, Kumar V.

Journal:

Canadian Journal of Chemistry

Year:

1984

Language:

english

File:

PDF, 329 KB

english, 1984

15

Light-mediated direct transformation of 2-chloro-propiophenones into 2-arylpropionic acids

Harikisan R Sonawane, Dilip G Kulkarni, Nagaraj R Ayyangar

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 309 KB

english, 1990

16

Hydroboration. XVII. An Examination of Several Representative Dialkylboranes as Selective Hydroborating Agents

Zweifel, George., Ayyangar, Nagaraj R., Brown, Herbert C.

Journal:

Journal of the American Chemical Society

Year:

1963

Language:

english

File:

PDF, 573 KB

english, 1963

17

Efficient monoacetal formation, unprecedented ?-cleavage in caged cyclobutyl ketones and dual epimerization of 1,4-diones in the photochemistry of hexacyclo[10.2.1.02,11.04,9.04,14.09,13]pentadeca-5,7-diene-3,10-dione and related systems in alcoholic solvents

Pandey, Bipin, Zope, Umesh R., Ayyangar, Nagaraj R.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1990

Language:

english

File:

PDF, 358 KB

english, 1990

18

Azides. Part V. A kinetic study of the formation of N -( p -toluenesulphonyl)-1 H -azepine by thermolysis of p -toluenesulphonylazide in benzene under nitrogen pressure

Ayyangar, Nagaraj R., Bambal, Ramesh B., Nikalje, Dattatraya D., Srinivasan, Kumar V.

Journal:

Canadian Journal of Chemistry

Year:

1985

Language:

english

File:

PDF, 214 KB

english, 1985

19

Synthesis of (±)heritol

P.K. Zubaidha, Subhash P. Chavan, Uday S. Racherla, Nagaraj R. Ayyangar

Journal:

Year:

1991

Language:

english

File:

PDF, 592 KB

english, 1991

20

Stable 1H-azepines

Ayyangar, Nagaraj R., Purohit, Arun K., Tilak, Bal D.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1981

Language:

english

File:

PDF, 120 KB

english, 1981

21

Diisopinocampheylborane as a Reagent for the Production of Optically Active Olefins and the Establishment of Their Configuration

Brown, Herbert C., Ayyangar, Nagaraj R., Zweifel, George.

Journal:

Journal of the American Chemical Society

Year:

1962

Language:

english

File:

PDF, 248 KB

english, 1962

22

Novel orthohalogenation reaction. Synthesis of orthochloroarylamines from nitroarenes.

Nagaraj R. Ayyangar, Uttam R. Kalkote, Pandurang V. Nikrad

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 208 KB

english, 1982

23

Hydroboration. XIX. The Reaction of Dissopinocampheylborane with Representative trans andHindered Olefins. Triisopinocampheyldiborane as a Reagent for the Configurational Assignment of Alcohols and Olefins via Hydroboration

Brown, Herbert C., Ayyangar, Nagaraj R., Zweifel, George.

Journal:

Journal of the American Chemical Society

Year:

1964

Language:

english

File:

PDF, 826 KB

english, 1964

24

Novel photochemical synthesis of a model spiro compound related to fredericamycin-A

Pandey, Bipin, Khire, Uday R., Ayyangar, Nagaraj R.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1990

Language:

english

File:

PDF, 196 KB

english, 1990

25

An efficient entry into butenolides: Synthesis of (±) mintlactone

Subhash P. Chavan, P.K. Zubaidha, Nagaraj R. Ayyangar

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 198 KB

english, 1992

26

Hydroboration. XVIII. The Reaction of Diisopinocampheylborane with Representative cis -Acyclic, Cyclic, and Bicyclic Olefins. A Convenient Systhesis of Optically Active Alcohols and Olefins of High Optical Purity and Established Configuration

Brown, Herbert C., Ayyangar, Nagaraj R., Zweifel, George.

Journal:

Journal of the American Chemical Society

Year:

1964

Language:

english

File:

PDF, 964 KB

english, 1964

27

Pressure-induced synthesis of an N-sulphony1-1H-azepine by sulphonyl-nitrene insertion into benzene

Ayyangar, Nagaraj R., Bambal, Ramesh B., Lugade, Ananda G.

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1981

Language:

english

File:

PDF, 201 KB

english, 1981

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