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Technical details about Prestwick3_000798, learn more about the structure, uses, toxicity, action, side effects and more

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2D Structure
1. Also known as: Dienoestrol, Dehydrostilbestrol, Cycladiene, E,e-dienestrol, Restrol, Dienol
Molecular Formula
C18H18O2
Molecular Weight
266.3  g/mol
InChI Key
NFDFQCUYFHCNBW-SCGPFSFSSA-N
FDA UNII
RRW32X4U1F

A synthetic, non-steroidal estrogen structurally related to stilbestrol. It is used, usually as the cream, in the treatment of menopausal and postmenopausal symptoms.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
4-[(2E,4E)-4-(4-hydroxyphenyl)hexa-2,4-dien-3-yl]phenol
2.1.2 InChI
InChI=1S/C18H18O2/c1-3-17(13-5-9-15(19)10-6-13)18(4-2)14-7-11-16(20)12-8-14/h3-12,19-20H,1-2H3/b17-3+,18-4+
2.1.3 InChI Key
NFDFQCUYFHCNBW-SCGPFSFSSA-N
2.1.4 Canonical SMILES
CC=C(C1=CC=C(C=C1)O)C(=CC)C2=CC=C(C=C2)O
2.1.5 Isomeric SMILES
C/C=C(/C(=C/C)/C1=CC=C(C=C1)O)\C2=CC=C(C=C2)O
2.2 Other Identifiers
2.2.1 UNII
RRW32X4U1F
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 4,4'-(diethylideneethylene)diphenol

2. Dienestrol, (e,e)-isomer

3. Dienestrol, (z,e)-isomer

4. Dienestrol, (z,z)-isomer

5. Dienoestrol

6. Oestrasid

7. Ortho Dienestrol

8. Synestrol

2.3.2 Depositor-Supplied Synonyms

1. Dienoestrol

2. Dehydrostilbestrol

3. Cycladiene

4. E,e-dienestrol

5. Restrol

6. Dienol

7. Estraguard

8. Estroral

9. Follidiene

10. Oestrasid

11. Oestrodiene

12. 13029-44-2

13. 84-17-3

14. Estragard

15. Gynefollin

16. Oestroral

17. Dinovex

18. Retalon

19. (e,e)-dienestrol

20. Estrodienol

21. Hormofemin

22. Dehydrostilboestrol

23. Oestrodienol

24. Dienesterol

25. Dinestrol

26. Follormon

27. Oestrovis

28. Teserene

29. Willnestrol

30. Agaldog

31. Para-dien

32. Dienoestrol Bp

33. P,p'-(diethylideneethylene)diphenol

34. Di(p-oxyphenyl)-2,4-hexadiene

35. Dienestrol [inn]

36. 3,4-bis(4-hydroxyphenyl)-2,4-hexadiene

37. Sexadien

38. 4,4'-(diethylideneethylene)diphenol

39. 4-[(2e,4e)-4-(4-hydroxyphenyl)hexa-2,4-dien-3-yl]phenol

40. Mls000069528

41. 3,4-bis(p-hydroxyphenyl)-2,4-hexadiene

42. Dienestrol, .alpha.-

43. 4,4'-hydroxy-gamma,delta-diphenyl-beta,delta-hexadiene

44. Nsc 59809

45. 4,4'-(1,2-diethylidene-1,2-ethanediyl)bisphenol

46. .alpha.-dienestrol Diacetate

47. Rrw32x4u1f

48. Phenol, 4,4'-(diethylideneethylene)di-

49. Smr000058597

50. 4,4'-((2e,4e)-hexa-2,4-diene-3,4-diyl)diphenol

51. Dienestrol Diacetate, .alpha.-

52. 2,4-hexadiene, 3,4-bis(4-hydroxyphenyl)-

53. Alpha-dienestrol

54. Nsc-59809

55. Dv

56. Dienestrol (e,e)

57. Dienestrolo

58. Dienestrolum

59. (e,e)-4,4'-(diethylideneethylene)diphenol

60. Phenol, 4,4'-(1,2-diethylidene-1,2-ethanediyl)bis-, (e,e)-

61. Dsstox_cid_2382

62. Dsstox_rid_76566

63. Dsstox_gsid_22382

64. Dienestrolo [dcit]

65. Phenol, 4,4'-((1e,2e)-1,2-diethylidene-1,2-ethanediyl)bis-

66. Phenol, 4,4'-[(1e,2e)-1,2-diethylidene-1,2-ethanediyl]bis-

67. Dienestrolum [inn-latin]

68. 4,4'-hexa-2,4-diene-3,4-diyldiphenol

69. Di(para-oxyphenyl)-2,4-hexadiene

70. Dienestrol (usp/inn)

71. Sr-01000003032

72. Chebi:4518

73. Unii-rrw32x4u1f

74. Dienestrol [usp:inn:ban]

75. Dv (tn)

76. Para,para'-(diethylideneethylene)diphenol

77. Ccris 9121

78. 3,4-bis(para-hydroxyphenyl)-2,4-hexadiene

79. Hsdb 3313

80. Cas-84-17-3

81. Prestwick_52

82. Ncgc00016335-01

83. Einecs 201-519-7

84. Dienoestrol [nonsteroidal Oestrogens]

85. Dienestrol Trans-form

86. 4,4'-dihydroxy-gamma,delta-diphenyl-beta,delta-hexadiene

87. Dienestrol [mi]

88. Opera_id_421

89. 4-[4-(4-hydroxyphenyl)hexa-2,4-dien-3-yl]phenol

90. Alpha-dienestrol Diacetate

91. Prestwick2_000798

92. Prestwick3_000798

93. Spectrum5_000875

94. Dienestrol [hsdb]

95. Dienestrol [vandf]

96. Dienestrol [mart.]

97. Chembl1018

98. Dienestrol [who-dd]

99. Schembl52170

100. Bspbio_000936

101. Bspbio_002177

102. Mls001077274

103. Mls002207222

104. Mls002222156

105. Spectrum1500241

106. 4,4'-(2e,4e)-hexa-2,4-diene-3,4-diyldiphenol

107. Bpbio1_001030

108. Cid_667476

109. Gtpl7160

110. Schembl2896853

111. Zinc1283

112. Dienestrol [ep Impurity]

113. Dienestrol [orange Book]

114. Bdbm40491

115. Hms502g13

116. Dienestrol [usp Impurity]

117. Dtxsid20873495

118. Phenol, 4,4'-(diethylideneethylene)di-, Trans-, (e,e)-

119. Hms1570o18

120. Hms1920g04

121. Hms2091m14

122. Hms2097o18

123. Hms2232m11

124. Hms3714o18

125. Pharmakon1600-01500241

126. Dienestrol Trans-form [mi]

127. Hy-b1403

128. Tox21_110378

129. Ccg-40189

130. Mfcd00050983

131. Nsc756734

132. S1858

133. Akos015902490

134. Tox21_110378_1

135. Cs-4911

136. Db00890

137. Nsc-756734

138. Idi1_000771

139. Ncgc00018153-03

140. Ncgc00018153-04

141. Ncgc00018153-05

142. Ncgc00018153-06

143. Ncgc00018153-07

144. Ncgc00018153-10

145. Ncgc00022210-03

146. Ncgc00022210-04

147. Ncgc00178779-01

148. Ncgc00178779-02

149. Ac-13162

150. Bs-17610

151. Sbi-0051344.p003

152. 4,4'-(hexa-2,4-diene-3,4-diyl)diphenol

153. D0449

154. C08090

155. D00898

156. D81865

157. Dienestrol, Vetranal(tm), Analytical Standard

158. Ab00051967_16

159. A936711

160. J-005782

161. Q5274949

162. Sr-01000003032-2

163. Sr-01000003032-4

164. 4,4'-[(2e,4e)-2,4-hexadiene-3,4-diyl]diphenol

165. Brd-k55106630-001-01-0

166. Brd-k95309561-001-05-6

167. Brd-k95309561-001-15-5

168. Dienestrol, European Pharmacopoeia (ep) Reference Standard

169. Dienestrol, United States Pharmacopeia (usp) Reference Standard

170. 4,4'-dihydroxy-.gamma.,.delta.-diphenyl-.beta.,.delta.-hexadiene

171. Phenol, 4,4'-(1,2-diethylidene-1,2-ethanediyl)bis-, (e,e)

2.4 Create Date
2005-03-25
3 Chemical and Physical Properties
Molecular Weight 266.3 g/mol
Molecular Formula C18H18O2
XLogP35.4
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count3
Exact Mass266.130679813 g/mol
Monoisotopic Mass266.130679813 g/mol
Topological Polar Surface Area40.5 Ų
Heavy Atom Count20
Formal Charge0
Complexity318
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count2
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Therapeutic Uses

Estrogens, Non-Steroidal

National Library of Medicine's Medical Subject Headings online file (MeSH, 1999)


DIENESTROL, LIKE STILBESTROL, IS A NON-STEROIDAL ESTROGEN DERIVED FROM STILBENE. IT MAY BE ADMIN ORALLY OR APPLIED TOPICALLY. ITS USE ORALLY HAS NO ADVANTAGES OVER OTHER ORAL ESTROGENS, & NO ORAL PREPN ARE MARKETED. DIENESTROL IS PRIMARILY USED AS AN INTRAVAGINAL CREAM FOR ATROPHIC VAGINITIS OR PREPUBERTAL VULVOVAGINITIS.

Miller, R. R., and D. J. Greenblatt. Handbook of Drug Therapy. New York: Elsevier North Holland, 1979., p. 867


MEDICATION (VET): SYNTHETIC ESTROGEN. THE DIACETATE FORM IS USED IN FEEDING TRIALS. PARENTERALLY, IN FUNCTIONAL STERILITY WHERE ADEQUATE ESTROGENS ARE LACKING FOR STIMULATION & MATURATION OF OVARIAN FOLLICLE IN CATTLE & OCCASIONALLY IN HORSES. ORALLY, FOR CHICKENS & TURKEYS TO IMPROVE TENDERNESS & APPEARANCE BY PROPER FAT DISTRIBUTION.

Rossoff, I.S. Handbook of Veterinary Drugs. New York: Springer Publishing Company, 1974., p. 167


MEDICATION (VET): INCREASES FATTY LIVERS & SERUM CALCIUM, WHILE DECR BONE FRAGILITY IN CHICKENS. CAN BE USED INTRAVAGINALLY & INTRAUTERINE TO HELP RESTORE NORMAL EPITHELIAL GROWTH.

Rossoff, I.S. Handbook of Veterinary Drugs. New York: Springer Publishing Company, 1974., p. 167


For more Therapeutic Uses (Complete) data for DIENESTROL (10 total), please visit the HSDB record page.


4.2 Drug Warning

DIENESTROL IS CONTRAINDICATED DURING PREGNANCY.

American Medical Association. AMA Drug Evaluations Annual 1991. Chicago, IL: American Medical Association, 1991., p. 943


... DISADVANTAGE OF SOME SYNTHETIC ESTROGENIC CMPD IS THAT NAUSEA FOLLOWS USE OF ... MINIMUM EFFECTIVE DOSE IN SOME WOMEN, BUT ... NOT OVER 20% OF THOSE WHO USE MATERIALS CAREFULLY. IN SUCH WOMEN SYNTHETIC MATERIALS MUST BE REPLACED BY NATURAL PRODUCTS. /SYNTHETIC ESTROGEN/

Osol, A. and J.E. Hoover, et al. (eds.). Remington's Pharmaceutical Sciences. 15th ed. Easton, Pennsylvania: Mack Publishing Co., 1975., p. 917


Dienestrol has not been shown to be effective for any purpose during pregnancy, and use of the drug in pregnant women may cause severe harm to the fetus.

McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 93. Bethesda, MD: American Society of Hospital Pharmacists, Inc., 1993 (Plus Supplements, 1993)., p. 1939


Dienestrol shares the toxic potentials of other estrogens, and the usual cautions, precautions, and contraindications associated with estrogen therapy should be observed.

McEvoy, G.K. (ed.). American Hospital Formulary Service - Drug Information 93. Bethesda, MD: American Society of Hospital Pharmacists, Inc., 1993 (Plus Supplements, 1993)., p. 1939


For more Drug Warnings (Complete) data for DIENESTROL (18 total), please visit the HSDB record page.


4.3 Drug Indication

For use in the treatment of atrophic vaginitis and kraurosis vulvae.


5 Pharmacology and Biochemistry
5.1 Pharmacology

Estrogens diffuse into their target cells and interact with a protein receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Estrogens increase the hepatic synthesis of sex hormone binding globulin (SHBG), thyroid-binding globulin (TBG), and other serum proteins and suppress follicle-stimulating hormone (FSH) from the anterior pituitary. The combination of an estrogen with a progestin suppresses the hypothalamic-pituitary system, decreasing the secretion of gonadotropin-releasing hormone (GnRH).


5.2 MeSH Pharmacological Classification

Estrogens, Non-Steroidal

Non-steroidal compounds with estrogenic activity. (See all compounds classified as Estrogens, Non-Steroidal.)


5.3 ATC Code

G - Genito urinary system and sex hormones

G03 - Sex hormones and modulators of the genital system

G03C - Estrogens

G03CB - Synthetic estrogens, plain

G03CB01 - Dienestrol


G - Genito urinary system and sex hormones

G03 - Sex hormones and modulators of the genital system

G03C - Estrogens

G03CC - Estrogens, combinations with other drugs

G03CC02 - Dienestrol


5.4 Absorption, Distribution and Excretion

Absorption

Systemic absorption and mode of action of dienestrol are undetermined.Estrogens diffuse into their target cells and interact with a protein receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Estrogens increase the hepatic synthesis of sex hormone binding globulin (SHBG), thyroid-binding globulin (TBG), and other serum proteins and suppress follicle-stimulating hormone (FSH) from the anterior pituitary. The combination of an estrogen with a progestin suppresses the hypothalamic-pituitary system, decreasing the secretion of gonadotropin-releasing hormone (GnRH).


ESTROGENS USED IN THERAPY ARE ... READILY ABSORBED THROUGH SKIN, MUCOUS MEMBRANES, AND GI TRACT. WHEN THEY ARE APPLIED FOR LOCAL ACTION, ABSORPTION IS OFTEN SUFFICIENT TO CAUSE SYSTEMIC EFFECTS. /ESTROGENS/

Gilman, A.G., T.W. Rall, A.S. Nies and P. Taylor (eds.). Goodman and Gilman's The Pharmacological Basis of Therapeutics. 8th ed. New York, NY. Pergamon Press, 1990., p. 1391


IN FACTORY WORKERS GYNECOMASTIA HAS FOLLOWED HANDLING OF DIETHYLSTIBESTROL WITHOUT GLOVES. /DIETHYLSTILBESTEROL/

Goodman, L.S., and A. Gilman. (eds.) The Pharmacological Basis of Therapeutics. 5th ed. New York: Macmillan Publishing Co., Inc., 1975., p. 1429


URINARY EXCRETION RATE OF ESTROGENS IS QUITE SIMILAR WHETHER AGENTS ARE GIVEN ORALLY OR INTRAVENOUSLY, WHICH SUGGESTS THAT ABSORPTION OF MOST ESTROGENS FROM GI TRACT IS PROMPT & QUITE COMPLETE. /ESTROGENS/

Goodman, L.S., and A. Gilman. (eds.) The Pharmacological Basis of Therapeutics. 5th ed. New York: Macmillan Publishing Co., Inc., 1975., p. 1429


ESTROGENS ARE PRACTICALLY INSOLUBLE IN WATER. WHEN DISSOLVED IN OIL AND INJECTED, THEY ARE RAPIDLY ABSORBED & QUICKLY METABOLIZED. ... INACTIVATION OF ESTROGEN IS CARRIED OUT MAINLY IN THE LIVER. /ESTROGENS/

Gilman, A.G., T.W. Rall, A.S. Nies and P. Taylor (eds.). Goodman and Gilman's The Pharmacological Basis of Therapeutics. 8th ed. New York, NY. Pergamon Press, 1990., p. 1391


For more Absorption, Distribution and Excretion (Complete) data for DIENESTROL (10 total), please visit the HSDB record page.


5.5 Metabolism/Metabolites

Hepatic.


DIENESTROL YIELDS DIENESTROL-BETA-D-GLUCURONIDE IN RABBITS.

Goodwin, B.L. Handbook of Intermediary Metabolism of Aromatic Compounds. New York: Wiley, 1976., p. D-27


DIENESTROL IS A KNOWN METABOLITE OF DIETHYLSTILBESTROL IN PRIMATES & MICE; IT IS CONVERTED TO OMEGA-HYDROXY-DIENESTROL, WHICH IS EXCRETED IN CONJUGATED FORM ... RABBITS GIVEN ORAL DOSES OF DIENESTROL EXCRETED DIENESTROL GLUCURONIDE IN THEIR URINE ... .

IARC. Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. Geneva: World Health Organization, International Agency for Research on Cancer, 1972-PRESENT. (Multivolume work). Available at: https://monographs.iarc.fr/ENG/Classification/index.php, p. V21 166 (1979)


RABBITS GIVEN ORAL DOSES OF DIENESTROL EXCRETED DIENESTROL GLUCURONIDE IN THEIR URINE ... .

IARC. Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. Geneva: World Health Organization, International Agency for Research on Cancer, 1972-PRESENT. (Multivolume work). Available at: https://monographs.iarc.fr/ENG/Classification/index.php, p. V21 166 (1979)


5.6 Mechanism of Action

Dienestrol is a synthetic, non-steroidal estrogen. Estrogens passively diffuse into target cells of responsive tissues, complex with the estrogen receptors, and enter the cell's nucleus to initiate or enhance gene transcription of protein synthesis after binding to DNA.


ESTROGENS ARE FIRST BOUND WITH VERY HIGH AFFINITY TO A CYTOPLASMIC 8 S RECEPTOR PROTEIN, WHICH THEN DISSOCIATES INTO A 4 S WITH ESTROGEN ATTACHED. ... THE ESTROGEN COMPLEX IS CONVERTED TO A 5 S SPECIES THAT IS TRANSPORTED TO THE NUCLEUS, WHERE ULTIMATE BINDING OF ESTROGEN-CONTAINING COMPLEX OCCURS. /ESTROGENS/

Goodman, L.S., and A. Gilman. (eds.) The Pharmacological Basis of Therapeutics. 5th ed. New York: Macmillan Publishing Co., Inc., 1975., p. 1429


THE ACTIVITY OF ... SYNTHETIC ... ESTROGENS DEPENDS ON PRESENCE OF HYDROXYL GROUPS @ EXTREMITIES OF THEIR MOLECULES ... HYDROXYLS ... INVOLVED IN BINDING WITH SPECIFIC RECEPTOR PROTEINS, PRESENT IN CYTOSOL OF CELLS IN TARGET ORGANS. /ESTROGENS/

Searle, C. E. (ed.). Chemical Carcinogens. ACS Monograph 173. Washington, DC: American Chemical Society, 1976., p. 662


At the cellular level, estrogens increase the cellular synthesis of DNA, RNA, and various proteins in responsive tissues. Estrogens reduce the release of gonadotropin-releasing hormone (GnRH) from the hypothalamus, leading to a reduction in release of follicle-stimulating hormone and luteinizing hormone from the pituitary. /Estrogen/

US Pharmacopeial Convention; US Pharmacopeia Dispensing Information (USP DI); Drug Information for the Health Care Professional 12th ed, V.I p.1346 (1992)


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