asymmetric photochemistry

https://doi.org/10.1351/goldbook.AT07328
Photochemical process leading to a @C01057@ substance from an @A00069@ precursor such that one @E02069@ predominates over the other.
Note:
@A00483@ may be achieved by the use of @C01057@ reagents, a @C01057@ environment, or circularly polarized light.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 304 [Terms] [Paper]