ChemicalBook >> CAS DataBase List >>1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)-

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)-

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- structure

CAS No.: 1620056-83-8

Chemical Name:: 1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)-

Synonyms: Apremilast Impurity 123;Lenacapavir Intermediate 3;2-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,?]nona-1(6),8-dien-7-yl]acetic acid;(3bS,4aR)-5,5-Difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid;1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)-;2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid;2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-Tetrahydro-1H-Cyclopropene[3,4]Cyclopentadiene[1,2-c]Pyrazole-1-base)Acetic acid;2 - ((3Bs, 4ar) - 5,5-difluoro-3 - (trifluoromethyl) - 3b, 4,4a, 5-tetrahydro-1h-cyclopropane [3,4] cyclopentyl [1,2-c] pyrazole-1-yl) acetic acid

CBNumber:: CB58106112

Molecular Formula:: C10H7F5N2O2

Molecular Weight:: 282.17

MDL Number:

MOL File:: 1620056-83-8.mol

Last updated:2025-07-16 09:55:30

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1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- Properties

Boiling point	325.8±42.0 °C(Predicted)
Density	1.96±0.1 g/cm3(Predicted)
storage temp.	Store at room temperature
pka	3.49±0.10(Predicted)
Appearance	White to off-white Solid
InChI	InChI=1S/C10H7F5N2O2/c11-9(12)4-1-3(4)6-7(10(13,14)15)16-17(8(6)9)2-5(18)19/h3-4H,1-2H2,(H,18,19)/t3-,4+/m0/s1
InChIKey	KKEFPICWHXMILG-IUYQGCFVSA-N
SMILES	N1=C(C(F)(F)F)C2[C@@]3([H])C[C@@]3([H])C(F)(F)C=2N1CC(O)=O

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- Chemical Properties,Uses,Production

Uses

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- is a pharmaceutical intermediate component, which can be used as a preparation of long-acting HIV capsid inhibitors.

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- synthesis

Synthesis of 1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- from (1R,5S)-bicyclo[3.1.0]hexan-2-one

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- Preparation Products And Raw materials

Raw materials

(1R,5S)-bicyclo[3.1.0]hexan-2-one

Preparation Products

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- Suppliers

Global( 77)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
ChemExpress	+86-19370970350 +86-021-58950125	info@chemexpress.com	China	788	58
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13800	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Unibest Industrial Co.,Ltd.	+86-0574-27855777 +8618758850676	info@unibestcn.com	China	270	58
ShenZhen Trendseen Biological Technology Co.,Ltd.	13417589054	trendseenbio@gmail.com	China	11681	58
Porton Pharma Solutions Ltd.			China	56	58
Aceschem Inc.	+1-817863-6948 +1-（817）863-6948	sales@aceschem.com	United States	19632	58
Beijing Toachem Chemical Co.,Ltd	+8618311365218	sales@toachem.com	China	205	58
Shenzhen Nexcon Pharmatechs Ltd.	+86-0755-89396905 +86-18025329037	admin@nexconn.com	China	4216	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	+86-13017695106 +86-13676922317	jiuyitime@fdachem.com	China	16513	58

Supplier	Advantage
ChemExpress	58
Shanghai Daken Advanced Materials Co.,Ltd	58
Jinan Carbotang Biotech Co.,Ltd.	58
Unibest Industrial Co.,Ltd.	58
ShenZhen Trendseen Biological Technology Co.,Ltd.	58
Porton Pharma Solutions Ltd.	58
Aceschem Inc.	58
Beijing Toachem Chemical Co.,Ltd	58
Shenzhen Nexcon Pharmatechs Ltd.	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	58

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- Spectrum

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)-(1620056-83-8)¹HNMR

1H-Cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid, 5,5-difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-, (3bS,4aR)- 2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid 2-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,?]nona-1(6),8-dien-7-yl]acetic acid 2 - ((3Bs, 4ar) - 5,5-difluoro-3 - (trifluoromethyl) - 3b, 4,4a, 5-tetrahydro-1h-cyclopropane [3,4] cyclopentyl [1,2-c] pyrazole-1-yl) acetic acid Apremilast Impurity 123 (3bS,4aR)-5,5-Difluoro-3b,4,4a,5-tetrahydro-3-(trifluoromethyl)-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazole-1-acetic acid Lenacapavir Intermediate 3 2-((3bS,4aR)-5,5-difluoro-3-(trifluoromethyl)-3b,4,4a,5-Tetrahydro-1H-Cyclopropene[3,4]Cyclopentadiene[1,2-c]Pyrazole-1-base)Acetic acid 1620056-83-8 3