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Synthesis, Spectroscopic Studies and X-ray Crystal Structures of New Pyrazoline and Pyrazole Derivatives

The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethy...

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Published in:Journal of chemical crystallography 2011-03, Vol.41 (3), p.401-408
Main Authors: de Sousa, Gerimário F., Gatto, Claudia C., Resck, Inês S., Deflon, Victor M.
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Gatto, Claudia C.
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description The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically. Graphical Abstract The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.89
doi_str_mv 10.1007/s10870-010-9896-2
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Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically. Graphical Abstract The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically.</description><identifier>ISSN: 1074-1542</identifier><identifier>EISSN: 1572-8854</identifier><identifier>DOI: 10.1007/s10870-010-9896-2</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Chemistry ; Chemistry and Materials Science ; Crystallography and Scattering Methods ; Inorganic Chemistry ; Organometallic Chemistry ; Original Paper ; Physical Chemistry</subject><ispartof>Journal of chemical crystallography, 2011-03, Vol.41 (3), p.401-408</ispartof><rights>Springer Science+Business Media, LLC 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c288t-52321a16ac73a13bd3b764f37557a1dbb6854c7a8ea1efa93fd35bd9c7d283a53</citedby><cites>FETCH-LOGICAL-c288t-52321a16ac73a13bd3b764f37557a1dbb6854c7a8ea1efa93fd35bd9c7d283a53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>de Sousa, Gerimário F.</creatorcontrib><creatorcontrib>Gatto, Claudia C.</creatorcontrib><creatorcontrib>Resck, Inês S.</creatorcontrib><creatorcontrib>Deflon, Victor M.</creatorcontrib><title>Synthesis, Spectroscopic Studies and X-ray Crystal Structures of New Pyrazoline and Pyrazole Derivatives</title><title>Journal of chemical crystallography</title><addtitle>J Chem Crystallogr</addtitle><description>The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically. Graphical Abstract The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically.</description><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Crystallography and Scattering Methods</subject><subject>Inorganic Chemistry</subject><subject>Organometallic Chemistry</subject><subject>Original Paper</subject><subject>Physical Chemistry</subject><issn>1074-1542</issn><issn>1572-8854</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kMtOwzAQRS0EEqXwAez8ARj8iGNnicpTqgCpILGzJrZDU5Wksp2i8PW4lDWrmdHcO5p7EDpn9JJRqq4io1pRQhklla5Kwg_QhEnFidayOMw9VQVhsuDH6CTGFaW00lxN0HIxdmnpYxsv8GLjbQp9tP2mtXiRBtf6iKFz-J0EGPEsjDHBOm_CYNMQ8rJv8JP_wi9jgO9-3Xb-V_43enzjQ7uF1G59PEVHDayjP_urU_R2d_s6eyDz5_vH2fWcWK51IpILzoCVYJUAJmonalUWjVBSKmCursucxyrQHphvoBKNE7J2lVWOawFSTBHb37U5SQy-MZvQfkIYDaNmh8rsUZmMyuxQGZ49fO-JWdt9-GBW_RC6_OY_ph8Dwm5U</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>de Sousa, Gerimário F.</creator><creator>Gatto, Claudia C.</creator><creator>Resck, Inês S.</creator><creator>Deflon, Victor M.</creator><general>Springer US</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20110301</creationdate><title>Synthesis, Spectroscopic Studies and X-ray Crystal Structures of New Pyrazoline and Pyrazole Derivatives</title><author>de Sousa, Gerimário F. ; Gatto, Claudia C. ; Resck, Inês S. ; Deflon, Victor M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c288t-52321a16ac73a13bd3b764f37557a1dbb6854c7a8ea1efa93fd35bd9c7d283a53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Crystallography and Scattering Methods</topic><topic>Inorganic Chemistry</topic><topic>Organometallic Chemistry</topic><topic>Original Paper</topic><topic>Physical Chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Sousa, Gerimário F.</creatorcontrib><creatorcontrib>Gatto, Claudia C.</creatorcontrib><creatorcontrib>Resck, Inês S.</creatorcontrib><creatorcontrib>Deflon, Victor M.</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of chemical crystallography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Sousa, Gerimário F.</au><au>Gatto, Claudia C.</au><au>Resck, Inês S.</au><au>Deflon, Victor M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, Spectroscopic Studies and X-ray Crystal Structures of New Pyrazoline and Pyrazole Derivatives</atitle><jtitle>Journal of chemical crystallography</jtitle><stitle>J Chem Crystallogr</stitle><date>2011-03-01</date><risdate>2011</risdate><volume>41</volume><issue>3</issue><spage>401</spage><epage>408</epage><pages>401-408</pages><issn>1074-1542</issn><eissn>1572-8854</eissn><abstract>The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically. Graphical Abstract The synthesis and characterization of some pyrazoline compounds of 1,3-diketones with hydrazine derivatives, namely, 1-( S -benzyldithiocarbazate)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 1 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenyl-5-hydroxypyrazoline ( 2 ); 1-(2-thiophenecarboxylic)-3,5-dimethyl-5-hydroxypyrazoline ( 3 ); 1-( S -benzyldithiocarbazato)-3-methyl-5-phenylpyrazole ( 4 ); 1-(2-thiophenecarboxylic)-3-methyl-5-phenylpyrazole ( 5 ) and 1-( S -benzyldithiocarbazate)-3,5-dimethylpyrazole ( 6 ) are reported. Studies by IR, ( 1 H, 13 C)-NMR spectroscopies and single crystal X-ray diffraction revealed that compounds ( 1 ) , ( 2 ) and ( 3 ) are formed as pyrazoline, whereas ( 4 ) and ( 5 ) are formed as pyrazole derivatives only under acidic conditions. Compound ( 1 ) crystallizes in orthorhombic P 2 1 2 1 2 1 , a  = 6.38960(10) Å, b  = 12.9176(3) Å, c  = 21.2552(5) Å, ( 2 ) crystallizes in monoclinic, P 2 1 / n , a  = 11.3617(2) Å, b  = 8.4988(2) Å, c  = 92.8900(10) Å and β  = 92.8900(5)°, ( 3 ) crystallizes in monoclinic, C 2/ c , a  = 15.9500(5) Å, b  = 9.3766(3) Å, c  = 16.6910(5) Å and β  = 113.825(2)°, ( 4 ) crystallizes in monoclinic, P 2 1 / c , a  = 15.228(4) Å, b  = 5.5714(13) Å, c  = 19.956(5) Å and β  = 91.575(7)° and ( 6 ) crystallizes in orthorhombic, P 2 1 2 1 2 1 , a  = 5.3920(2) Å, b  = 11.2074(5) Å, c  = 21.885(1) Å. The ( 3 ) derivative represents the first pyrazoline compound prepared from 2,4-pentanedione and characterized crystallographically.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10870-010-9896-2</doi><tpages>8</tpages></addata></record>
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subjects Chemistry
Chemistry and Materials Science
Crystallography and Scattering Methods
Inorganic Chemistry
Organometallic Chemistry
Original Paper
Physical Chemistry
title Synthesis, Spectroscopic Studies and X-ray Crystal Structures of New Pyrazoline and Pyrazole Derivatives
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