Science - USA (2022-06-10)
vertical transmission among members of the same bush camp, a social structure with no equivalent among industrialized commu- nit ...
ORGANIC CHEMISTRY Doubly stereoconvergent crystallization enabled by asymmetric catalysis Pedro de Jesús Cruz, William R. Cassel ...
3d), and electron-withdrawing (3e to 3h) groups at various positions were obtained in good to excellent yields and stereoselecti ...
de Jesús Cruzet al., Science 376 , 1224–1230 (2022) 10 June 2022 3of7 Fig. 2. Substrate scope of the crystallization-enabled ste ...
de Jesús Cruzet al., Science 376 , 1224–1230 (2022) 10 June 2022 4of7 Fig. 3. Substrate scope of the crystallization-enabled dou ...
This result represents a rare example of an efficient noncascade Michael addition reac- tion between prochiral nucleophilic and ...
to quantitatively study the product distribution over time using^1 Hand^19 Fnuclearmagnetic resonance (NMR) spectroscopic techni ...
through a single recrystallization (40 g isolated, dr >20:1, er >99:1). The isolated products of these Michael CIDT reacti ...
PHOSPHORUS CHEMISTRY Enantioselective hydrogen-bond-donor catalysis to access diverse stereogenic-at-P(V) compounds Katherine C. ...
the H-bond donor and the sulfinamide group in promoting high enantioselectivity. Whereas sulfinamido urea1a and its thiourea ana ...
groups on phosphorus that could be selec- tively and stereospecifically displaced to afford access to multiple classes of chiral ...
Forbeset al., Science 376 , 1230–1236 (2022) 10 June 2022 4of6 Fig. 3. Scope of enantioselective addition of diisoamylamine to a ...
Forbeset al., Science 376 , 1230–1236 (2022) 10 June 2022 5of6 Fig. 4. Application to the synthesis of chiral P(V) targets.All y ...
In addition to serving as versatile synthetic building blocks, phosphonamidates are often synthetic targets themselves ( 2 , 3 , ...
I was a crafty kid. Not crafty like a fox, but crafty to the point that my parents would come home braced for whatever “artistic ...
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science.org SCIENCE PHOTO: NHAC NGUYEN/AFP/GETTY IMAGES FDA panel backs Novavax vaccine COVID-19| The U.S. Food and Drug Admini ...
SCIENCE science.org PHOTO: MAHMOUD EL-KHAWAS/PICTURE ALLIANCE/GETTY IMAGES under DOE’s sponsorship, the academies’ report says, ...
PHOTO: CHRISTINNE MUSCHI/REUTERS 1142 10 JUNE 2022 • VOL 376 ISSUE 6598 science.org SCIENCE I n 1959, German microbiologist Anto ...
SCIENCE science.org 10 JUNE 2022 • VOL 376 ISSUE 6598 1143 are the ones that are going to be used [in the new outbreak] because ...
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