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In stereochemistry, prochiral molecules are those that can be converted from achiral to chiral in a single step. [1] [2] An achiral species which can be converted to a chiral in two steps is called proprochiral. [2] If two identical substituents are attached to an sp 3-hybridized atom, the descriptors pro-R and pro-S are used to distinguish ...
Available as a 2-seater or a 4-seater Morgan: Plus 8: 1968-2004, 2012–present Roadster England Morgan: Plus 8 GTR 2022 Coupé England Limited to Nine units Morgan: Aero Supersports 2010-2015 Targa England Morgan: Aero Coupé 2012-2015 Coupé England Morgan: 3 Wheeler/ EV3: 2012–present Roadster England Morgan: Aero GT 2018–present Coupé ...
Studebaker had worked on a still born post-war design earlier, called the R, and so the new truck was given the 2R designation. [2] The most distinctive characteristic of Studebaker 2R/3R trucks is the cab, which remained in production with minor changes through the 1959 model year.
Volmer VJ-21 Jaybird 1947 2 seat light aircraft, unk no. built; Volmer VJ-22 Sportsman 1958 2 seat homebuilt amphibian, (not all are pushers), 100+ built; Lake Buccaneer 1959 amphibian, 4 seats, 1000+ built; Aerosport Woody Pusher 1967 tandem 2 seater, parasol wing, 27 ex. Taylor Coot 1969 2 seat homebuilt amphibian, 70 built
Pro Modified, also known as Pro Mod, is a class or division in the sport of drag racing used in the NHRA and FIA (quarter-mile) and the Professional Drag Racers Association (PDRA) (eighth-mile). It is similar to the Top Doorslammer class as defined by the ANDRA .
Enantioselective ketone reductions convert prochiral ketones into chiral, non-racemic alcohols and are used heavily for the synthesis of stereodefined alcohols. [1]Carbonyl reduction, the net addition of H 2 across a carbon-oxygen double bond, is an important way to prepare alcohols.
a coupé with a 2+2 style, with two normal size seats in the front and two smaller seats in the back intended to be used occasionally or for children; a microcar designed for urban use and space optimisation like the vehicles registered in the L7e category. a motorcycle designed to accommodate the rider/driver and another passenger rider; a ...
The R2 was the first production Subaru to sport a new family look, including the aviation-inspired "spread wings grille" [1] also used by their Tribeca and Impreza.. The R2's exterior dimensions are largely similar to its predecessor, the Subaru Pleo; but unlike the squarish Pleo, the R2 has a deliberately rounded, less space-efficient form.