Tayur Guru N. Row

Anhydrous Adenine: Crystallization, Structure, and Correlation with Other Nucleobases (2008)

Mahapatra, Sudarshan, Nayak, Susanta K, Prathapa, SJ, Row, Tayur Guru N

The crystal structure of anhydrous adenine has been determined using a single crystal grown by a unique approach using a sublimation process. Anhydrous adenine crystallizes in the monoclinic space...

Hydrogen bonding in pyrimethamine hydrogen adipate (2007)

Devi, Periasamy, Muthiah, Packianathan Thomas, Row, Tayur Guru N, Thiruvenkatam, Vijay

In 2,4-diamino-5-(p-chlorophenyl)-6-ethylpyrimidinium hydrogen adipate, $C_{12}H_{14}ClN_4^+.C_6H_9O_4_^-$, the protonated pyrimethamine cation interacts with the carboxylate group of the adipate ion...

Exploring the Lower Limit in Hydrogen Bonds: Analysis of Weak C-\cdot\cdot\cdot O and $C-H\cdot\cdot\cdot_\pi$, Interactions in Substituted Coumarins from Charge Density Analysis (2005)

Munshi, Parthapratim, Row, Tayur Guru N

Experimental electron densities in coumarin, 1-thiocoumarin, and 3-acetylcoumarin have been analyzed based on the X-ray diffraction data at 90 K. These compounds pack in the crystal lattice with weak...

Selective and Unusual Fluoride Ion Complexation by A Steroidal Receptor Using $OH...F^-$ and $CH...F^- $ Interactions: A New Motif for Anion Coordination? (2005)

Ghosh, Sanjib, Choudhury, Angshuman Roy, Row, Tayur Guru N, Maitra, Uday

A novel cholaphane has been synthesized from a naturally occurring bile acid in just two steps. It has an ability to bind two fluoride ions selectively utilizing the glycolate motif in chloroform....

Importance of steric factors in face-selective cycloadditions:1,6-annulated cyclohexa-1,3-dienes (2005)

Lahiri, Saswati, Yadav, Somnath, Chanda, Mithu, Chakraborty, Indrajit, Chowdhury, Krishna, Mukherjee, Monika, ...

Diastereotopically nonequivalent \pi-facial1,6-annulated-1,3-cyclohexadienes have been explored as probe molecules to assess the face-selectivities in cycloadditions. Steric factors have been found...

Evaluation of weak intermolecular interactions in molecular crystals via experimental and theoretical charge densities (2005)

Munshi, Parthapratim, Row, Tayur Guru N

Analysis of charge density distributions in molecular crystals has received considerable attention in the last decade both from high-resolution X-ray diffraction studies and from high-level...

Polymorphism in 1-(4-Fluorophenyl)-3,6,6-trimethyl-2-phenyl-1,5,6,7-tetrahydro-4H-indol-4-one: A Subtle Interplay of Weak Intermolecular Interactions (2005)

Chopra, Deepak, Nagarajan, K, Row, Tayur Guru N

An understanding of structural features associated with polymorphism in an anti-implantation agent has been made in terms of morphology, single-crystal structure, powder X-ray diffraction, and...

In Situ Cryocrystallization of Diphenyl Ether: C-H...\pi Mediated Polymorphic Forms (2004)

Choudhury, Angshuman R, Islam, Kabirul, Kirchner, Michael T, Mehta, Goverdhan, Row, Tayur Guru N

Polymorphism in diphenyl ether has been identified during in situ crystallization via single-crystal X-ray diffraction. Only weak inter- and intramolecular C-H...\pi interactions control the packing...

Concomitant Polymorphism in 3-Acetylcoumarin: Role of Weak C-H \cdot\cdot\cdot O and C-H \cdot\cdot\cdot \pi Interactions (2004)

Munshi, Parthapratim, Venugopala, KN, Jayashree, BS, Row, Tayur Guru N

An analysis of structural features associated with polymorphism in 3-acetylcoumarin has been made in terms of morphology, infrared spectroscopy, crystal structure, powder X-ray diffraction, and...

How Realistic Are Interactions Involving Organic Fluorine in Crystal Engineering? Insights from Packing Features in Substituted Isoquinolines (2004)

Choudhury, Angshuman Roy, Row, Tayur Guru N

Three new compounds have been synthesized based on the molecular motif, 6-methoxy-1,2-diphenyl- 1,2,3,4-tetrahydroisoquinoline, with fluorine substitution at para, meta, and ortho positions on the...