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A practical method for synthesizing chiral α‐amino phosphonic acid derivatives was developed. Readily available and stable N‐o‐nitrophenylsulfenyl (Nps) imino phosphonate was utilized as a substrate for a highly enantioselective Friedel–Crafts‐type addition of indole or pyrrole nucleophiles catalyzed by chiral phosphoric acid. The resulting adduct was easily converted into N‐9‐fluorenylmethyloxycarbonyl...
The robots having 3G/LTE capability can cooperate with others by using link-aggregation when one needs to send unexpected huge data in high bandwidth to the remote center office. To do so, the robot distributes its data to other robots with IEEE802.11 WLAN. They can move close to the robot to prevent from the situation where the WLAN communication becomes a bottleneck because they are too far to get...
Gel permeation chromatography equipped with a low-angle laser light-scattering detector (GPC-LALLS) was employed to determine the M n and M w of any polymer system such as flexible polymers (polystyrene, PSt), rod-like polymers (poly(n-hexylisocyanate), PIC), star polymers ((PSt) n and [poly(α-methylstyrene)] 4 , (PαMSt) 4 ), linear block copolymers (polystyrene-block-polyisoprene,...
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