5,7-dimethoxy-2,2-dimethylchromene

Modify Date: 2025-08-29 12:05:05

5,7-dimethoxy-2,2-dimethylchromene Structure
5,7-dimethoxy-2,2-dimethylchromene structure
Common Name 5,7-dimethoxy-2,2-dimethylchromene
CAS Number 21421-66-9 Molecular Weight 220.26400
Density 1.063g/cm3 Boiling Point 325.9ºC at 760mmHg
Molecular Formula C13H16O3 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of 5,7-dimethoxy-2,2-dimethylchromene


5,7-Dimethoxy-2,2-dimethylchromene is a synthetic precocenoid, has potential insect control function. 5,7-Dimethoxy-2,2-dimethylchromene induces loss of pigmentation in hatching larvae of shield bug (Eurgaster integriceps)[1][2].

 Names

Name 5,7-dimethoxy-2,2-dimethylchromene
Synonym More Synonyms

 5,7-dimethoxy-2,2-dimethylchromene Biological Activity

Description 5,7-Dimethoxy-2,2-dimethylchromene is a synthetic precocenoid, has potential insect control function. 5,7-Dimethoxy-2,2-dimethylchromene induces loss of pigmentation in hatching larvae of shield bug (Eurgaster integriceps)[1][2].
Related Catalog
References

[1]. Banerjee S, et al. New synthetic precocenoids as potential insect control agents. J Environ Biol. 2008 Nov;29(6):951-7.  

 Chemical & Physical Properties

Density 1.063g/cm3
Boiling Point 325.9ºC at 760mmHg
Molecular Formula C13H16O3
Molecular Weight 220.26400
Exact Mass 220.11000
PSA 27.69000
LogP 2.88800
Vapour Pressure 0.000424mmHg at 25°C
Index of Refraction 1.513

 Synthetic Route

~%

5,7-dimethoxy-2,2-dimethylchromene Structure

5,7-dimethoxy-2...

CAS#:21421-66-9

Literature: Nicolaou; Pfefferkorn; Roecker; Cao; Barluenga; Mitchell Journal of the American Chemical Society, 2000 , vol. 122, # 41 p. 9939 - 9953

~31%

5,7-dimethoxy-2,2-dimethylchromene Structure

5,7-dimethoxy-2...

CAS#:21421-66-9

Literature: Kawase, Yoshiyuki; Yamaguchi, Seiji; Horita, Hisanori; Takeno, Junko; Kameyama, Hideaki Bulletin of the Chemical Society of Japan, 1982 , vol. 55, # 4 p. 1153 - 1155

~%

5,7-dimethoxy-2,2-dimethylchromene Structure

5,7-dimethoxy-2...

CAS#:21421-66-9

Literature: Tsukayama, Masao; Sakamoto, Tsukasa; Horie, Tokunaru; Masamura, Mitsuo; Nakayama, Mitsuru Heterocycles, 1981 , vol. 16, # 6 p. 955 - 958

~%

5,7-dimethoxy-2,2-dimethylchromene Structure

5,7-dimethoxy-2...

CAS#:21421-66-9

Literature: Adams, Joyce H.; Brown, P. Margaret; Gupta, Padma; Khan, M. Shafig; Lewis, John R. Tetrahedron, 1981 , vol. 37, p. 209 - 218

 Synonyms

5,7-dimethoxy-2,2-dimethyl-2H-1-benzopyran
5,7-Dimethoxy-2,2-dimethylchromen
2,2-Dimethyl-5,7-dimethoxychromene
5,7-Dimethoxy-2,2-dimethyl-2H-chromen
5,7-dimethoxy-2,2-dimethyl-2H-chromene
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