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Volumn 59, Issue 50, 2003, Pages 9971-9978

Photocycloaddition of chalcones to yield cyclobutyl ditopic cyclophanes

Author keywords

Carbocycles; Chalcones; Cycloaddition; Cyclophanes; Enones; Photochemistry; Photocyclization

Indexed keywords

9,12,15,18,30,33,36,39 OCTAOXAHEPTACYCLO[38.2.2.2 5,8 .2 19,22 .2 26,29 .0 2,25 .0 3,24 ]PENTACONTA 1(42),5,7,19,21,26,28,40,43,45,47,49 DODECAENE 4,23 DIONE; 9,12,15,18,30,33,36,39 OCTAOXAPENTACYCLO[38.2.2.2 5,8 .2 19,22 .2 26,29 ]PENTACONTA 1(42),3,5,7,19,21,23,26,28,40,43,45,47,49 TETRADECAENE 2,25 DIONE; 9,12,15,27,30,33,36,39 OCTAOXAHEPTACYCLO[38.2.2.2 5,8 .2 16,19 .2 23,26 .0 2,22 .0 3,21 ]PENTACONTA 1(42),5,7,16,18,20,23,25,40,43,45,47,49 DODECAENE 4,20 DIONE; 9,12,15,27,30,33,36,39 OCTAOXAPENTACYCLO[38.2.2.2 5,8 .2 16,19 .2 23,26 ]PENTACONTA 1(42),3,5,7,16,18,20,23,25,40,43,45,47,49 TETRADECAENE 2,22 DIONE; CHALCONE DERIVATIVE; CYCLOPHANE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 0242720231     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tet.2003.10.026     Document Type: Article
Times cited : (22)

References (29)
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    • 6 the solubility of 2c is too low for reliable 2D NMR experiments).
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    • The coupling constants were calculated by simulation of the AA′BB′ system by MestRe-C 2.3 program, Departamento de Química Orgánica, Universidade de Santiago de Compostela-1706 Santiago de Compostela, SPAIN: http://www.mestrec.com/.
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    • At this wavelength the absorbances of the chalcones 1a-1c are almost negligible and the reactions are sufficiently slow to be followed by the used procedure. For irradiation at 350 nm the substrates are completely transformed into products in less than 5 s
    • At this wavelength the absorbances of the chalcones 1a-1c are almost negligible and the reactions are sufficiently slow to be followed by the used procedure. For irradiation at 350 nm the substrates are completely transformed into products in less than 5 s.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.