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... (9) Wenger, RM Helu. Chim. Acta 1983,66,2308. (3) (a) Rama Rao, AV; Bose, D. S.; Gurjar, M. K.; Ravindranathan, T. Tetrahedron 1989,45,7031. (b) Walkup, RD; Cunningham, RT Tetrahedron Lett. 1987,28, 4019. (4) Bose, A. K.; Manhas, MS;... more
... (9) Wenger, RM Helu. Chim. Acta 1983,66,2308. (3) (a) Rama Rao, AV; Bose, D. S.; Gurjar, M. K.; Ravindranathan, T. Tetrahedron 1989,45,7031. (b) Walkup, RD; Cunningham, RT Tetrahedron Lett. 1987,28, 4019. (4) Bose, A. K.; Manhas, MS; Ghosh, M.; Raju, V. S.; Barakat, K ...
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The utility of readily obtainable cis-oxazolidinone derivative (14) has been explored for the efficient and stereospecific synthesis of (4R)-4-[(E)-2-butenyl]-4,N-dimethyl-L-threonine, an unusual syn-β-hydroxy-α-amino acid of cyclosporine.
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Research Interests: Engineering, Mechanical Engineering, Computer Science, Design, Manufacturing, and 15 moreHigh Pressure, Modeling, Engineering Design, Aerodynamics, Finite element method, Aerospace, Genetic Algorithm, Optimization, Geometry, Qa, Multi objective optimization, Solver, Mechanical design, Production Process, and Electronic Document Management
The chiral discrimination ability of two β‐cyclodextrin derivatives (hosts) having a flexible pyrrolidinylidenesulfamido‐appended moiety has been studied for the enantiomers of tolterodine tartrate (guest). Quenching of the fluorescence... more
The chiral discrimination ability of two β‐cyclodextrin derivatives (hosts) having a flexible pyrrolidinylidenesulfamido‐appended moiety has been studied for the enantiomers of tolterodine tartrate (guest). Quenching of the fluorescence intensities of guests was ...
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Theonelladins A-D (1-4) belonging to the same group of alkaloids have been isolated from the Okinawan marine sponge Theonella swinhoei. Here we describe the first total synthesis of these highly active compounds. This process will make it... more
Theonelladins A-D (1-4) belonging to the same group of alkaloids have been isolated from the Okinawan marine sponge Theonella swinhoei. Here we describe the first total synthesis of these highly active compounds. This process will make it possible to obtain the title compounds in large quantities for biological screening
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We use a 3-D finite difference numerical model to generate synthetic seismograms from a simple fractured reservoir containing evenly spaced, discrete, vertical fractures. The fractures are represented using a single column of anisotropic... more
We use a 3-D finite difference numerical model to generate synthetic seismograms from a simple fractured reservoir containing evenly spaced, discrete, vertical fractures. The fractures are represented using a single column of anisotropic grid points. Analysis of seismic amplitudes and spectral characteristics were carried out on the top and base reservoir reflections as well as scattered wave coda for models
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ABSTRACT
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The Kuderu macro watershed lies in the middle reaches of Pennar river basin in Anantapur district, Andhra Pradesh, India. There is great need and demand for ground water for irrigation and drinking purposes, due lo frequent failure of... more
The Kuderu macro watershed lies in the middle reaches of Pennar river basin in Anantapur district, Andhra Pradesh, India. There is great need and demand for ground water for irrigation and drinking purposes, due lo frequent failure of monsoons and recurring drought. The majority of the irrigated wells are dried up and the ground water is extracted from the deeper
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ABSTRACT
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ii) Brief details regarding background of the Trust/Society, Governing Body Members, etc. `Vignana Jyothi' was carved and created in the year 1991 by a dedicated group of Industrialists, Entrepreneurs and Professionals who felt that education is the light that wipes out the darkness of an uncerta...more
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... Press Ltd Synthesis of a New Bicyclic Guanidine Heterocycle as a Potential Anti HIV Agent AV Rama Rao , N1 K Gurjar and Aminul Islam Indian Institute of ... 5. Personal communication withDr A Patil for potential utility of marine... more
... Press Ltd Synthesis of a New Bicyclic Guanidine Heterocycle as a Potential Anti HIV Agent AV Rama Rao , N1 K Gurjar and Aminul Islam Indian Institute of ... 5. Personal communication withDr A Patil for potential utility of marine polycyclic guani-dines in the treatment of AIDS. ...
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... Printed in Great Britain Pergamon Press plc STUDIES DIRECTED TOWARDS THE TOTAL SYNTHESIS OF ARANOROSIN AV Rama Rao , MK ... REFERENCES AND FOOTNOTES 1. Fehlhaber HW, Kogler H, Mukhopadhyay T, Vijaykumar EKS and Ganguli BN, J Am Chem... more
... Printed in Great Britain Pergamon Press plc STUDIES DIRECTED TOWARDS THE TOTAL SYNTHESIS OF ARANOROSIN AV Rama Rao , MK ... REFERENCES AND FOOTNOTES 1. Fehlhaber HW, Kogler H, Mukhopadhyay T, Vijaykumar EKS and Ganguli BN, J Am Chem Soc ...
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... 1 1253 Si - tace attack 0,1, 2+ H Mq z MeO", o Me ... 2. For the other synthetic studies on the BOTTOM-HALF of FK-506 see: a) D. Askin, RP Volante, RA Reamer, KM Ryan and 1. Shinkai, Tetrahedron Letts., 29, 277 (1988); b)... more
... 1 1253 Si - tace attack 0,1, 2+ H Mq z MeO", o Me ... 2. For the other synthetic studies on the BOTTOM-HALF of FK-506 see: a) D. Askin, RP Volante, RA Reamer, KM Ryan and 1. Shinkai, Tetrahedron Letts., 29, 277 (1988); b) 1254 D. Askin, RP Volante, KM Ryan, RA Reamer and ...
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A successful Palladium catalysed intramolecular coupling of phenyl rings corresponding to amino acids (R)-4-hydroxyphenylglycine ( ) and (S)-3,5-dihydroxyphenylglycine ( ) of vancomycin is achieved. ... Author Keywords: vancomycin;... more
A successful Palladium catalysed intramolecular coupling of phenyl rings corresponding to amino acids (R)-4-hydroxyphenylglycine ( ) and (S)-3,5-dihydroxyphenylglycine ( ) of vancomycin is achieved. ... Author Keywords: vancomycin; Pd-catalysed biaryl coupling; Asymmetric ...
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An efficient enantiospecific synthesis of R(+)-α-Lipoic acid (1) a prosthetic group and a vital cofactor in -α-keto acids decarboxylation is described.
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Summary and Conclusions We described an apparatus for the facile preparation of buckminsterfullerenes. The reactor can be assembled mostly from commercial parts and fits in a standard preparative chemist's fume... more
Summary and Conclusions We described an apparatus for the facile preparation of buckminsterfullerenes. The reactor can be assembled mostly from commercial parts and fits in a standard preparative chemist's fume hood. The soot generated from graphite ...
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... Titre du document / Document title. Watersheds prioritisation using remote sensing techniques : a case study of the Mahbubnagar district, Andhra Pradesh, India. Auteur(s) / Author(s). PRASAD KSS ; GOPI S. ; RAO RS ; Affiliation(s) du... more
... Titre du document / Document title. Watersheds prioritisation using remote sensing techniques : a case study of the Mahbubnagar district, Andhra Pradesh, India. Auteur(s) / Author(s). PRASAD KSS ; GOPI S. ; RAO RS ; Affiliation(s) du ou des auteurs / Author(s) Affiliation(s). ...
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We present the details of a new method for determining the reflection and scattering characteristics of seismic energy from subsurface fractured formations. The method is based upon observations we have made from 3D finite-difference... more
We present the details of a new method for determining the reflection and scattering characteristics of seismic energy from subsurface fractured formations. The method is based upon observations we have made from 3D finite-difference modeling of the reflected and scattered seismic energy over discrete systems of vertical fractures. Regularly spaced, discrete vertical fracture corridors impart a coda signature, which is a ringing tail of scattered energy, to any seismic waves which are transmitted through or reflected off of them. This signature varies in amplitude and coherence as a function of several parameters including: (1) the difference in angle between the orientation of the fractures and the acquisition direction, (2) the fracture spacing, (3) the wavelength of the illuminating seismic energy, and (4) the compliance, or stiffness, of the fractures. This coda energy is most coherent when the acquisition direction is parallel to the strike ofthe fractures. It has the largest a...
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Research Interests: Medicine, Czech Republic, Cardiac Surgery, X Rays, Humans, and 12 moreINTENSIVE CARE, Female, Male, European, Middle Aged, Chronic obstructive pulmonary disease, Left Ventricular Function, Thoracic Surgery, Postoperative Period, Chest X-ray, Postoperative care, and Cardiovascular medicine and haematology
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The process is also successful with nitrostyrenes.
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ABSTRACT ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select... more
ABSTRACT ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
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The paper deals with equatorial ATS-6 measurements of the shape factor, F, interpreted in terms of the shape of the electron density profile along the ray path. The observed rapid increase in F at sunrise is attributed to EUV production... more
The paper deals with equatorial ATS-6 measurements of the shape factor, F, interpreted in terms of the shape of the electron density profile along the ray path. The observed rapid increase in F at sunrise is attributed to EUV production of ionization in the E and F regions. The evening decrease is seen to result from an upward drift of the F region at sunset and the evening decay of the E and bottomside F regions. The nighttime peak, or plateau, is caused by gradual decrease of the electron density profile.
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... Regloselectlve Synthesis of Hydroxy Butenolldes : A Convenient Synthesis of AFactor Yadav JS*, Muralikrishna VaUuri and AV Rama Rao Indian Institute of ... 4. Khokhlov, AS; Anisova, LN Tovarova, II Kleiner, EM; Kovalenko, IV;... more
... Regloselectlve Synthesis of Hydroxy Butenolldes : A Convenient Synthesis of AFactor Yadav JS*, Muralikrishna VaUuri and AV Rama Rao Indian Institute of ... 4. Khokhlov, AS; Anisova, LN Tovarova, II Kleiner, EM; Kovalenko, IV; Krasilnikova, 0.1.; Ya, e.; Kornitskaya.i Pliner, SAZ ...
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The known 3--benzyl-6-deoxy-1,2--isopropylidene-α-D-xylohexofuranos-5-ulose was converted stereoselectively to the titled compound 1. ... Stereoselective synthesis of the title compound is described starting from diacetone-D-glucose as... more
The known 3--benzyl-6-deoxy-1,2--isopropylidene-α-D-xylohexofuranos-5-ulose was converted stereoselectively to the titled compound 1. ... Stereoselective synthesis of the title compound is described starting from diacetone-D-glucose as the chiral precursor.