Ethyl 7-Acetyl-8a-methyl-3-(1-phenyl-1H-tetrazol-5-yl)-1,4,4a,5,6,8a-hexahydro-7H-pyrano[2,3-c]pyridazine-1-carboxylate

被引:1
|
作者
Lopes, Susana M. M. [1 ]
Lemos, Americo [2 ,3 ]
Paixao, Jose A. [4 ]
Pinho e Melo, Teresa M. V. D. [1 ]
机构
[1] Univ Coimbra, Coimbra Chem Ctr CQC, Dept Chem, Inst Mol Sci IMS, P-3004535 Coimbra, Portugal
[2] Univ Algarve, Fac Ciencias & Tecnol, CQC IMS, P-8005139 Faro, Portugal
[3] Univ Algarve, Fac Ciencias & Tecnol, Dept Quim & Farm, P-8005139 Faro, Portugal
[4] Univ Coimbra, Dept Phys, CFisUC, P-3004530 Coimbra, Portugal
关键词
tetrazoles; diaza-1,3-butadiene; pyrano[2,3-c]pyridazine; methyl vinyl ketone dimer; diels-alder reactions; X-ray structure; DIELS-ALDER REACTIONS; DIPYRROMETHANES; NITROSOALKENES; REACTIVITY; AZOALKENES; TETRAZOLES; CHEMISTRY;
D O I
10.3390/M1338
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The Diels-Alder reaction of ethyl 3-(1-phenyl-1H-tetrazol-5-yl-1,2-diaza-1,3-butadiene-1-carboxylate with 2-acetyl-6-methyl-2,3-dihydro-4H-pyran (methyl vinyl ketone dimer) regios-electively afforded the corresponding 3-(tetrazol-5-yl)-hexahydro-7H-pyrano[2,3-c]pyridazine in quantitative yield. An X-ray crystal structure of this cycloadduct is reported.
引用
收藏
页数:6
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