Chia Tai Tianqing Pharmaceutical Group Co., Ltd.

Yilong Zhou

Fei Sun

Ling Yang

Zhaozhong Ding

Yinghu Hu

Zheng Wang

Rui Zhao

The present invention relates to crystalline form A of a TLR7 agonist 2-butoxy-7-(4-(pyrrolidin-1-ylmethyl)-benzyl)-5H-pyrrolo[3,2-d]pyrimidin-4-amine (formula I), a method for preparing the crystalline form A, and the use thereof. 

Crystal form A of 2-butoxy-7-(4-(pyrrolidin-1-ylmethyl)benzyl)-5H-pyrrolo[3,2-d]pyrimidin-4-amine for inhibiting toll-like receptor activity

The present invention relates to a maleate salt of a compound represented by formula I, a method for preparing the salt, a pharmaceutical composition containing the salt, and the use of the salt. The present invention also relates to crystalline forms C, D and E of the maleate salt of the compound represented by formula I, methods for preparing the crystalline forms, crystalline compositions and pharmaceutical compositions containing the crystalline forms, and uses thereof. 

TLR7 agonist maleate salt, crystalline forms C, D and E thereof, preparation methods and uses of maleate salt and crystalline forms

The present invention relates to a trifluoroacetate salt of a TLR7 agonist 2-butoxy-7-(4-(pyrrolidin-1-ylmethyl)benzyl)-5H-pyrrolo[3,2-d]pyrimidin-4-amine (formula I), crystalline form B of the trifluoroacetate salt, methods for preparing the trifluoroacetate salt and crystalline form B, and uses of the trifluoroacetate salt and crystalline form B. 

TLR7 agonist trifluoroacetate salt and crystalline form B thereof, preparation methods and uses

The present invention relates to a method for preparing a pyrrolo[3,2-d]pyrimidine compound (the compound represented by formula I), and corresponding intermediates. 

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Shanghai, China

Yilong Zhou