143669-48-1Relevant articles and documents
Thermochromic Furofuranes, II. - Synthesis and Thermolytic Behavior of Spiroquinole Ethers with Naphthalene Nucleus
Laatsch, Hartmut,Ernst, Bernd Peter
, p. 1245 - 1250 (2007/10/02)
To obtain further insight into the new photochromic system 2/3, various 3,4-disubstituted spiroquinole ethers 7 have been synthesized by oxidation of 2-alkyl-4-methoxy-1-naphtholes 5 via the corresponding quinone methides 6.Unlike 7a, the ethers 7b-d did