Site-selective C−H functionalization has emerged as an attractive tool for derivatizing complex synthetic intermediates, but its use for late-stage diversification is limited by the functional groups that can be introduced, especially at unactivated sp3-hybridized positions. To overcome this, we intr...
AUTOMATION DIRECTFAZ-C13-1-SP ARCA827A-E2-00H-M1 NORGRENPRA/182080/M/38Cil.Dia.80 Estr.Magn.Vdma 意大利进口lovatoBF18T2A12060 Weidmuller1080100000WSH 5 价格说明 价格:商品在爱采购的展示标价,具体的成交价格可能因商品参加活动等情况发生变化,也可能随着购买数量不同或所选规格不同而发生变化,如用户与...
explicit operator bool() permits explicit conversions to bool—for example, given shared_ptr<X> sp, both static_cast<bool>(sp) and bool b(sp) are valid—and Boolean-testable "contextual conversions" to bool—for example, if (sp), !sp, sp && whatever. However, explicit operator bool() ...
Sila-spirocyclization involving unstrained C(sp Abstract C − Si Bond cleavage is one of the key elemental steps for a wide variety of silicon-based transformations. However, the cleavage of unstrained Si−C(sp3) bonds catalyzed by transition metal are still in their infancy. They ...
Two yellowish damselfishes (Perciformes: Pomacentridae), Chromis analis (Cuvier in Cuvier and Valenciennes, 1830) and C. xouthos Allen and Erdmann, 2005, were confirmed to be distributed in Japanese waters on the basis of collected specimens and underwater photographs. Detailed comparisons of the ...
//answers.microsoft.com/en-us/windows/forum/all/microsoft-visual-c-2005-redistributable-error-1606/b4f87a04-ed6b-e011-8dfc-68b599b31bf5 2019-03-02T22:07:06.0000000Z https://answers.microsoft.com/nl-nl/outlook_com/forum/all/versie-outlook-2003-geblokkeerd/c74d5eee-ec6b-e011-8dfc-68b59...
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We report the photochemical carboxylation of o-phenylenedimamine in the absence of a base and an electron donor under an atmosphere of CO2, which afforded 2,3-diaminobenzoic acid (DBA) in 28% synthetic yield and 0.22% quantum yield (Φ(%)). The synthetic yield of DBA in this reaction inc...