933463-33-3Relevant academic research and scientific papers
An efficient and versatile route to the synthesis of 9,10-dihydro-3-formylphenanthrenes
Pratap, Ramendra,Ram, Vishnu Ji
, p. 1715 - 1719 (2007)
An innovative and efficient route to the synthesis of 9,10-dihydro-3-formylphenanthrenes 7 has been delineated through the ring transformation of 2-oxo-4-sec-amino-5,6-dihydro-2H-benzo[h]chromene-3-carbonitriles 4 with methyl glyoxaldimethylacetal 5 to ma
An unusual synthesis of tetrahydrobenzo[f]isoquinolines
Pratap, Ramendra,Raghunandan, Resmi,Maulik,Ram, Vishnu Ji
, p. 7982 - 7985 (2007)
A facile and short synthesis of 2-oxo-4-sec-amino-2,3,5,6-tetrahydrobenzo[f]isoquinoline-1-carbonitriles has been delineated through base catalyzed ring transformation of 5,6-dihydro-2-oxo-4-sec-amino-2H-benzo[h]chromene-3-carbonitrile by cyanoacetamide i
2-Oxobenzo[h]chromene: a novel entry for the concise and efficient synthesis of indeno[1,2-c]phenanthrenes
Pratap, Ramendra,Ram, Vishnu Ji
, p. 4379 - 4382 (2007)
An efficient and concise synthesis of 7-sec-amino-5,13-dihydro-6H-indeno[1,2-c]phenanthrene-8-carbonitriles is described through base catalyzed ring transformation of 4-sec-amino-2-oxo-5,6-dihydro-2H-benzo[h]chromene-3-carbonitriles with 1-indanone in mod
An efficient de novo synthesis of partially reduced phenanthrenes through C-C insertion
Pratap, Ramendra,Ram, Vishnu Ji
, p. 7402 - 7405 (2007)
(Chemical Equation Presented) An efficient and novel approach to the synthesis of highly congested 3-alkyl-, 4-alkyl-, 3-aryl-, 3,4-dialkyl-, 4-alkyl-3-aryl-, and 3,4-diaryl-9,10-dihydro-1-sec-aminophenanthrene-2- carbonitriles has been delineated through
A non-catalytic approach to the synthesis of 5,6-dihydrobenzo[h]quinolines
Pratap, Ramendra,Ram, Vishnu Ji
, p. 2755 - 2759 (2007)
A concise synthesis of highly functionalized 5,6-dihydrobenzo[h]quinoline-3-carbonitriles is delineated through base induced ring transformation of 4-sec-amino-2-oxo-5,6-dihydro-2H-benzo[h]chromene-3-carbonitriles with S-methylisothiourea sulfate and 1-ca
Acetyltrimethylsilane mediated synthesis of dihydrophenanthrenes
Pratap, Ramendra,Ram, Vishnu Ji
, p. 6318 - 6320 (2007)
An easy and efficient synthesis of phenanthrene derivatives through base catalyzed ring transformation of 4-sec-amino-2-oxo-5,6-dihydro-2H-benzo[h]chromene-3-carbonitriles with acetyltrimethylsilane is described in good yields. The advantage of this react
A convenient synthesis of partially reduced benzo[c]phenanthrenes, its ketals and ketones
Pratap, Ramendra,Raghunandan, Resmi,Mishra, Abhishek Kumar,Maulik,Gupta,Ram, Vishnu Ji
scheme or table, p. 1458 - 1464 (2010/04/02)
A concise and convenient synthesis of various partially reduced 6-sec-amino-1,2,3,4,7,8-hexahydro-, 6-sec-amino-1,2,7,8-tetrahydrobenzo[c]phenanthrene-5-carbonitriles, 6-sec-amino-3,4,7,8-tetrahydro-1H-benzo[c]phenanthrene-2-one-5-carbonitrile cycloalkene
An expeditious protocol for sesquiterpene-cored functionalized arenes from S-(-)-citronellal
Goel, Atul,Verma, Deepti
body text, p. 2086 - 2089 (2009/09/06)
An expeditious straightforward synthesis of sesquiterpene-cored arenes functionalized with electron-withdrawing or electron-donating substituents is described and illustrated by Michael addition of S-(-)-citronellal on functionalized 2H-pyran-2-one in a s
Economical synthesis of novel class of heteroatom containing partially reduced polycyclic aromatic hydrocarbons
Pratap, Ramendra,Ram, Vishnu Ji
scheme or table, p. 2805 - 2807 (2009/09/30)
An efficient and convenient synthesis of 2-oxa- and 2-thia-3,4,7,8-tetrahydro-1H-benzo[c]phenanthrenes has been described through base-induced ring transformation of 2-oxo-4-sec.amino-5,6-dihydro-2H-benzo[h]chromene-3-carbonitriles by 4-oxotetrahydropyran
An efficient non-catalytic, regioselective approach to the synthesis of angularly fused polycyclic systems
Pratap, Ramendra,Ram, Vishnu Ji
scheme or table, p. 4239 - 4242 (2009/10/26)
A novel approach to the synthesis of partially reduced different ring sizes of PAH analogs with sec.amino and nitrile functionalities is delineated through base-induced ring transformation of 4-sec.amino-2-oxo-5,6-dihydro-2H-benzo[h]chromene-3-carbonitril
