共 13 条
[1]
Becker R. S., 1971, US. Patent, Patent No. 3567605
[2]
6,6-DIPHENYL-6H-NAPHTHO(2',3'-2,3)PYRAN AND 4,6-DIPHENYL-4H-NAPHTHO(2',3'-2,3)PYRAN
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1965, (NOV)
:6646-&
[3]
GUGLIELMETTI R, 1990, STUD ORG CHEM, V40, P314
[4]
HELLER HG, 1989, Patent No. 4826977
[5]
PHOTOCHROMISM AND REVERSIBLE MULTIPLE INTERNAL TRANSITIONS IN SOME SPIROPYRANS AT LOW TEMPERATURES .2.
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1954, (SEP)
:3129-3137
[6]
SYNTHESIS AND REACTIONS OF 4-CHROMANONES
[J].
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH,
1982, 21 (04)
:247-256
[7]
2-METHOXY-2,4-DIPHENYLCHROMAN AND 5,6-DIHYDRO-6-METHOXY-4,6-DIPHENYL-H-4-DIPHENYLCHROMAN AND 6,6-DIPHENYL-H-6-NAPHTHO(2',1'-2,3)PYRAN
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1960, (DEC)
:5148-5152
[10]
VANGEMERT B, 1992, Patent No. 9209593