Let gl,,（R） be the general linear Lie algebra of all n×n matrices over a unital commutative ring R with 2 invertible, dn（R） be the Cartan subalgebra of gln（R） of all diagonal matrices. The maximal subalgebr...Let gl,,（R） be the general linear Lie algebra of all n×n matrices over a unital commutative ring R with 2 invertible, dn（R） be the Cartan subalgebra of gln（R） of all diagonal matrices. The maximal subalgebras of gln（R） that contain dn（F：） are classified completely.展开更多
Solamargine, （25R）-3β-（O-a-L-rhamnopyranosyl-（1--2）-[O-a-L-rhamnopyranosyl-（1--4）]-β-D-glucopyranosloxy}-22a-N- spirosol-5-ene, isolated from the berries of solanum aculeastrum, has been synthesized in 26.8% ...Solamargine, （25R）-3β-（O-a-L-rhamnopyranosyl-（1--2）-[O-a-L-rhamnopyranosyl-（1--4）]-β-D-glucopyranosloxy}-22a-N- spirosol-5-ene, isolated from the berries of solanum aculeastrum, has been synthesized in 26.8% overall yield. First glycosylation before N-cyclization significantly facilitated synthesis of the desired molecule. We anticipate that this work will provide a new approach to access solamargine and its diversified analogues.展开更多
基金supported by National Natural Science Foundation of China (Grant No.11171343)the Fundamental Research Funds for the Central Universities (Grant No. 2010LKSX05)
文摘Let gl,,（R） be the general linear Lie algebra of all n×n matrices over a unital commutative ring R with 2 invertible, dn（R） be the Cartan subalgebra of gln（R） of all diagonal matrices. The maximal subalgebras of gln（R） that contain dn（F：） are classified completely.
基金supported partially by the National Basic Research Program of China (2011CB936001)National Natural Science Foundation of China (20732001,20872172,21072217)
文摘Solamargine, （25R）-3β-（O-a-L-rhamnopyranosyl-（1--2）-[O-a-L-rhamnopyranosyl-（1--4）]-β-D-glucopyranosloxy}-22a-N- spirosol-5-ene, isolated from the berries of solanum aculeastrum, has been synthesized in 26.8% overall yield. First glycosylation before N-cyclization significantly facilitated synthesis of the desired molecule. We anticipate that this work will provide a new approach to access solamargine and its diversified analogues.
