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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 ...
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 .
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 ...
Modified stock car racing, also known as modified racing and modified, is a type of auto racing that involves purpose-built cars simultaneously racing against each other on oval tracks.
Development of the Sling 2 commenced in 2006. The Sling is a two-seat, low wing, all metal aircraft with tricycle landing gear made from composites. The aircraft is powered by an 80 hp (60 kW) Rotax 912UL,100 hp (75 kW), a Rotax 912ULS, or a 912iS engine, or optionally a turbocharged 115 hp (86 kW) Rotax 914 UL, driving a 3-bladed Warp Drive Inc propeller.
The DeZir is powered by a mid-mounted electric motor producing 148 hp (110 kW; 150 PS) and 226 N⋅m (167 lb⋅ft) of torque, with power sent to the rear wheels through an automatic transmission. [2] Renault claims the DeZir can accelerate from 0-60 mph (0–97 km/h) in 5 seconds, with a governed top speed of 112 mph (180 km/h). [ 3 ]
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 ...