http://www.arkat.org/arkat/journal/Named%20Reactions/Chapman.htm (http://www.arkat.org/arkat/journal/Named%20Reactions/Chapman.htm)
http://www.kcsnet.or.kr/publi/bul/bu95n5/bu95n5t15.html (http://www.kcsnet.or.kr/publi/bul/bu95n5/bu95n5t15.html)
http://patft.uspto.gov/netahtml/search-bool.html (http://patft.uspto.gov/netahtml/search-bool.html)
can also be used with keywords such as "Newman-Kwart" or "phosphorus pentasulfide" together with "thiophenol" etc.http://www.arkat.org/arkat/journal/Named (http://www.arkat.org/arkat/journal/Named)
Reactions/Chapman.htm